support engineers

1) Information technology: support engineers

2) Mechanics: support division

3) Business: facility

4) Robots: support division (разрабатываемых систем)

 

дистанционное техническое обслуживание
Техническое обслуживание объекта, проводимое под управлением персонала без его непосредственного присутствия.
[ОСТ 45.152-99 ]

Параллельные тексты EN-RU из ABB Review. Перевод компании Интент

to eliminate.

El líquido eliminó las manchas The liquid eliminated the stains.

El mafioso eliminó al testigo The mobster eliminated the witness.

* * *

► verbo transitivo

1 (gen) to eliminate, exclude

■ han eliminado el equipo del campeonato they've eliminated the team from the championship

2 (esperanzas, miedos, etc) to get rid of, cast aside

3 familiar (matar) to kill, eliminate

* * *

1) to eliminate

2) remove

3) kill

* * *

1. VT

1) (=hacer desaparecer) [+ mancha, obstáculo] to remove, get rid of; [+ residuos] to dispose of; [+ pobreza] to eliminate, eradicate; [+ posibilidad] to rule out

2) [+ concursante, deportista] to knock out, eliminate

3) euf (=matar) to eliminate, do away with *

4) [+ incógnita] to eliminate

5) (Fisiol) to eliminate

eliminarse

* * *

verbo transitivo

1)

a) < obstáculo> to remove; < párrafo> to delete, remove

b) < candidato> to eliminate; (Dep) to eliminate, knock out

c) (euf) ( matar) to eliminate (euph), to get rid of (euph)

d) < residuos> to dispose of

2) <toxinas/grasas> to eliminate

3) (Mat) < incógnita> to eliminate

* * *

= abort, cut off, delete, detach, disband, discard, dispose of, do away with, eliminate, eradicate, erase, erode, kill, obviate, purge, remove, rid, suppress, take out, withdraw, screen out, retire, squeeze out, decrement, dispel, weed out, axe [ax, -USA], abolish, pare out, chop off, excise, obliterate, scrap, take off, expunge, cut out, put to + rest, sweep away, root out, nix, drive out, deselect, strip away, roll back, efface, cashier, clear out, weed, sunset, stomp + Nombre + out, zap, take + Nombre + out.

Ex. It is important to know what police or fire responses are triggered by alarms and how that reaction can be aborted and the alarm silenced.

Ex. The only way to solve these problems is either to revise your catalog in its totality or to cut it off.

Ex. Expressive notation is generally easier to truncate, that is, delete final characters to create the notation for a more general subject.

Ex. The words from the deleted abstract in the abstract word file will be detached when DOBIS/LIBIS is not busy with other work.

Ex. With the completion of the draft in 1983, the Working Group on an International Authority System was officially disbanded.

Ex. The dates should be checked regularly and updated so that old dates are discarded and new ones entered.

Ex. List and describe the steps involved in withdrawing and disposing of books which are no longer required.

Ex. DOBIS/LIBIS does away with the multiplicity of files and catalogs.

Ex. Obviously, computers and the use of notation in computerised systems may place additional constraints upon the nature of the notation, or may eliminate the need to consider some of the characteristics below.

Ex. In this instance links would be insufficient to eradicate the false drop.

Ex. Pressing the delete key erases a characters without leaving a blank space.

Ex. These arrangements should also erode price differentials between Europe and the US, and permit each country to support its own online services.

Ex. He was looking for the book 'Flowers and Bullets and Freedom to kill' = Estaba buscando el libro "Flores, balas y libertad para matar".

Ex. The intercalation of (41-4) after 329 obviates this function.

Ex. The system requests the number of the borrower and then purges that borrower's name and number from its files.

Ex. Folders allow a set of papers to be kept together when a set on a given topic is removed from the file.

Ex. This function can be used to rid access-point files of unused entries.

Ex. It is possible to suppress references and to omit steps in a hierarchy.

Ex. A scheme should allow reduction, to take out subjects and their subdivisions which are no longer used.

Ex. Thus, all cards corresponding to documents covering 'Curricula' are withdrawn from the pack.

Ex. Most journals rely for a substantial part of their income on advertisements; how would advertisers view the prospect of being selectively screened out by readers?.

Ex. This article stresses the importance for libraries of making current informationav ailable on AIDS, and of retiring out-of-date information on the subject.

Ex. Subjects not in the core of major employment areas are likely to be squeezed out of the standard curriculum.

Ex. Document terms absent from the original query were decremented.

Ex. But years and experience do not always dispel the sense of unease.

Ex. Information services administrators expect library schools to uphold admission standards and weed out unsuitable candidates.

Ex. 'He's been trying to cover up his tracks; those engineers who got axed were his scapegoats'.

Ex. Who knows? If we can abolish the card catalogue and replace it with some form more acceptable to library users, they may even begin to use library catalogues!.

Ex. Because the assumption in this method is that none of the preceding years' operations are worth continuing unless they can be shown to be necessary, zero-based budgeting (ZZB) can be useful for paring out the deadwood of obsolete or uselessly extravagant programs.

Ex. Others chop off old records to remain within the limits of 680 MB.

Ex. Once a new digitized system has been introduced irrelevancies and redundant features can more easily be seen and excised.

Ex. Typing errors cannot be obliterated with a normal erasing fluid as this would print and appear as a blotch on the copies.

Ex. There have even been rumours of plans to scrap most of the industrial side of its work and disperse key elements, such as the work on regional and industrial aid, to the provinces.

Ex. Meek took her glasses off and twiddled them as her supervisor related the following incident.

Ex. This article examines the controversial issue about whether to expunge books about satanism from the library shelves.

Ex. In order to support a core acquistions programme of essential materials for its users, a library will more readily cut out material on the fringe of its needs if such material can be obtained by a good document supply system.

Ex. Careful investigation by the library board of the possibilities inherent in system membership usually puts to rest preconceived fears.

Ex. Librarians should ensure that the principles they stand for are not swept away on a tide of technological jingoism.

Ex. Libraries should root out unproductive and obsolete activities.

Ex. This play was nixed by school officials on the grounds that the subject of sweatshops was not appropriate for that age group.

Ex. The development of user-friendly interfaces to data bases may drive out the unspecialised information broker in the long run.

Ex. There is a need to provide public access to the Internet and to develop guidelines for selecting and deselecting appropriate resources.

Ex. Like its predecessor, it wants to strip away the sentimentality surrounding male-female relationships and reveal the ugly, unvarnished truth.

Ex. Some Russia specialists say President Putin is rolling back liberal economic and political reforms ushered in by his predecessor.

Ex. The beauty, the aliveness, the creativity, the passion that made her lovable and gave her life meaning has been effaced.

Ex. His case was referred to the next session, and in the following May he was cashiered.

Ex. Pockets of resistance still remain in Fallujah, but the vast majority of insurgents have been cleared out.

Ex. It seems to me that the electronic catalog provides the ability to build a file that can, in fact, be easily weeded.

Ex. It's instructive to remember just how passionately the media hyped the dangers of ' sunsetting' the ban.

Ex. Like I said, no wonder racism won't die, it takes BOTH sides to stomp it out, not just one!.

Ex. This electric fly swatter will zap any fly or mosquito with 1500 volts.

Ex. My lasting image of Omar is of him crouched in the rubble waiting for U.S. troops to get close enough so he could take one of them out.

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* ayudar a eliminar obstáculos = clear + the path, clear + the way.

* eliminar al intermediario = cut out + the middleman.

* eliminar ambigüedades = disambiguate.

* eliminar barreras = flatten + barriers, tackle + barriers, erase + boundaries.

* eliminar de un golpe = eliminate + at a stroke.

* eliminar de un texto = redact out, redact.

* eliminar diferencias = flatten out + differences.

* eliminar el hielo = de-ice [deice].

* eliminar el sarro = descale.

* eliminar gases = pass + gas, break + wind, pass + wind.

* eliminar la necesidad de = remove + the need for.

* eliminar las barreras = break down + barriers.

* eliminar las diferencias = iron out + differences.

* eliminar los duplicados = deduplicate.

* eliminar + Nombre = clear of + Nombre.

* eliminar obstáculos = clear + the path, clear + the way.

* eliminar por etapas = phase out.

* eliminar progresivamente = phase out.

* eliminar puestos de trabajo = shed + jobs, axe + jobs, cut + jobs.

* eliminar puliendo = buff out.

* eliminar una barrera = topple + barrier.

* eliminar una ecuación de búsqueda = clear + search.

* eliminar un error = remove + error.

* eliminar un obstáculo = remove + barrier, sweep away + obstacle.

* eliminar un problema = sweep away + problem, work out + kink.

* * *

verbo transitivo

1)

a) < obstáculo> to remove; < párrafo> to delete, remove

b) < candidato> to eliminate; (Dep) to eliminate, knock out

c) (euf) ( matar) to eliminate (euph), to get rid of (euph)

d) < residuos> to dispose of

2) <toxinas/grasas> to eliminate

3) (Mat) < incógnita> to eliminate

* * *

* * *

eliminar [A1 ]

1 ‹obstáculo› to remove; ‹párrafo› to delete, remove

para eliminar las cucarachas to get rid of o exterminate o kill cockroaches

2 ‹equipo/candidato› to eliminate

fueron eliminados del torneo they were knocked out of o eliminated from the tournament

3 ( euf) (matar) to eliminate ( euph), to get rid of ( euph)

B ‹toxinas/grasas› to eliminate

C ( Mat) ‹incógnita› to eliminate

* * *

a) ‹ obstáculo› to remove;

b) ‹ candidato› to eliminate;

c) (euf) ( matar) to eliminate (euph), to get rid of (euph)

d) ‹ residuos› to dispose of

e) ‹toxinas/grasas› to eliminate

* * *

eliminar vt

1. [en juego, deporte, concurso] to eliminate (de from);

lo eliminaron en la segunda ronda he was eliminated o knocked out in the second round

2. [acabar con] [contaminación] to eliminate;

eliminó algunos trozos de su discurso he cut out some parts of his speech

3. Mat [incógnita] to eliminate

4. Euf [matar] to eliminate, to get rid of

* * *

1 eliminate

2 desperdicios dispose of

3 INFOR delete

* * *

eliminar vt

1) : to eliminate, to remove

2) : to do in, to kill

* * *

eliminar vb

1. (en general) to eliminate

2. (manchas) to remove

sketch, outline.

1^st person singular (yo) present indicative of spanish verb: esbozar.

* * *

► nombre masculino

1 sketch, outline, rough draft

* * *

1) outline

2) draft

3) sketch

* * *

1) (Arte) sketch

2) [de plan] outline

* * *

a) (Art) sketch

b) ( de proyecto) outline, rough draft

c) ( de sonrisa) hint

* * *

= outline, sketch, adumbration, rough sketch, rough draft.

Ex. It may be helpful to begin with a careful reading of the definitions before attempting to deal with the outline.

Ex. A short score is a sketch made by a composer for an ensemble work, with the main features of the composition set out on a few staves.

Ex. The article ' adumbrations on the information support centre' suggests that each type of library must examine the functions, circumstances, and needs of its particular clientele.

Ex. Intelligent software that brings rough sketches to life in a virtual world is promising to revolutionise the way children learn and to help engineers.

Ex. This paper describes the program devised to extract references from the OCLC data base and generate bibliographies in rough draft form.

* * *

a) (Art) sketch

b) ( de proyecto) outline, rough draft

c) ( de sonrisa) hint

* * *

* * *

1 ( Art) sketch

2 (de un proyecto) outline, rough draft

3 (de una sonrisa) hint

* * *

1ª persona singular (yo) presente indicativo

3ª persona singular (él/ella/usted) pretérito indicativo

a) ‹ figura› to sketch

b) ‹idea/tema› to outline

a) (Art) sketch

b) ( de proyecto) outline, rough draft

* * *

esbozo nm

1. [de dibujo, plano] sketch, outline

2. [de directrices, tema, plan] outline

3. [de gesto, sonrisa] hint

* * *

m sketch; de idea, proyecto etc outline

* * *

esbozo nm

1) : sketch

2) : rough draft

pretext, excuse.

1^st person singular (yo) present indicative of spanish verb: pretextar.

* * *

► nombre masculino

1 pretext

\

con el pretexto de on the pretext of

* * *

* * *

SM pretext

* * *

masculino pretext

* * *

= pretence [pretense, -USA], pretext, false pretence.

Ex. Automated cataloging support systems, with any pretense to sophistication, did not begin to appear until the inception of the LC/MARC II (Library of Congress/Machine-Readable Cataloging) project in late 1967.

Ex. The article is entitled 'Online research: an efficient pretext to educate engineers to inform themselves'.

Ex. That is what he does now, only now there is a lot of palaver and humbug and pretense of deliberation, which the bill proposes to continue, but which everybody can see would be a false pretense.

----

* con el pretexto de = under the guise of, under the flag of, in the guise of.

* falso pretexto = false pretence.

* pretexto muy pobre = lame excuse.

* pretexto poco convincente = lame excuse.

* * *

masculino pretext

* * *

* * *

pretext

volvió con el pretexto de recoger el paraguas he went back on the pretext of getting his umbrella

no hizo los deberes con el pretexto de que le dolía la cabeza he didn't do his homework, with the excuse that o saying that he had a headache

siempre que llega tarde me sale con algún pretexto every time she's late she comes out with some excuse, she always has an excuse when she arrives late

so pretexto de ( frml); on the pretext of, under pretext of

* * *

1ª persona singular (yo) presente indicativo

3ª persona singular (él/ella/usted) pretérito indicativo

◊ volvió con el pretexto de recoger el paraguas he went back on the pretext of getting his umbrella;

* * *

pretexto nm

pretext, excuse;

que nadie entre en este cuarto bajo ningún pretexto under no circumstances is anyone to enter this room;

con el pretexto de que… on the pretext that…;

so pretexto de… on the pretext of…

* * *

m pretext;

con (el) pretexto, a pretexto de under the pretext of

* * *

pretexto nm

excusa: pretext, excuse

* * *

pretexto n excuse

 

пакет инженерной графики GSE
Представляет собой библиотеку функций для языков С, Pascal, Fortran и обеспечивает высокую скорость построения качественных изображений на экране ПЭВМ.
[Е.С.Алексеев, А.А.Мячев. Англо-русский толковый словарь по системотехнике ЭВМ. Москва 1993]

Тематики

• информационные технологии в целом

EN

• graphics support for engineers
• GSE

SUBJECT AREA: Aerospace, Steam and internal combustion engines

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Harry Ricardo was the eldest child and only son of Halsey Ricardo (architect) and Catherine Rendel (daughter of Alexander Rendel, senior partner in the firm of consulting civil engineers that later became Rendel, Palmer and Tritton). He was educated at Rugby School and at Cambridge. While still at school, he designed and made a steam engine to drive his bicycle, and by the time he went up to Cambridge in 1903 he was a skilled craftsman. At Cambridge, he made a motor cycle powered by a petrol engine of his own design, and with this he won a fuel-consumption competition by covering almost 40 miles (64 km) on a quart (1.14 1) of petrol. This brought him to the attention of Professor Bertram Hopkinson, who invited him to help with research on turbulence and pre-ignition in internal combustion engines. After leaving Cambridge in 1907, he joined his grandfather's firm and became head of the design department for mechanical equipment used in civil engineering. In 1916 he was asked to help with the problem of loading tanks on to railway trucks. He was then given the task of designing and organizing the manufacture of engines for tanks, and the success of this enterprise encouraged him to set up his own establishment at Shoreham, devoted to research on, and design and development of, internal combustion engines.

Leading on from the work with Hopkinson were his discoveries on the suppression of detonation in spark-ignition engines. He noted that the current paraffinic fuels were more prone to detonation than the aromatics, which were being discarded as they did not comply with the existing specifications because of their high specific gravity. He introduced the concepts of "highest useful compression ratio" (HUCR) and "toluene number" for fuel samples burned in a special variable compression-ratio engine. The toluene number was the proportion of toluene in heptane that gave the same HUCR as the fuel sample. Later, toluene was superseded by iso-octane to give the now familiar octane rating. He went on to improve the combustion in side-valve engines by increasing turbulence, shortening the flame path and minimizing the clearance between piston and head by concentrating the combustion space over the valves. By these means, the compression ratio could be increased to that used by overhead-valve engines before detonation intervened. The very hot poppet valve restricted the advancement of all internal combustion engines, so he turned his attention to eliminating it by use of the single sleeve-valve, this being developed with support from the Air Ministry. By the end of the Second World War some 130,000 such aero-engines had been built by Bristol, Napier and Rolls-Royce before the piston aero-engine was superseded by the gas turbine of Whittle. He even contributed to the success of the latter by developing a fuel control system for it.

Concurrent with this was work on the diesel engine. He designed and developed the engine that halved the fuel consumption of London buses. He invented and perfected the "Comet" series of combustion chambers for diesel engines, and the Company was consulted by the vast majority of international internal combustion engine manufacturers. He published and lectured widely and fully deserved his many honours; he was elected FRS in 1929, was President of the Institution of Mechanical Engineers in 1944–5 and was knighted in 1948. This shy and modest, though very determined man was highly regarded by all who came into contact with him. It was said that research into internal combustion engines, his family and boats constituted all that he would wish from life.

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SUBJECT AREA: Electricity, Photography, film and optics

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At the age of 14 Swan was apprenticed to a Sunderland firm of druggists, later joining John Mawson who had opened a pharmacy in Newcastle. While in Sunderland Swan attended lectures at the Athenaeum, at one of which W.E. Staite exhibited electric-arc and incandescent lighting. The impression made on Swan prompted him to conduct experiments that led to his demonstration of a practical working lamp in 1879. As early as 1848 he was experimenting with carbon as a lamp filament, and by 1869 he had mounted a strip of carbon in a vessel exhausted of air as completely as was then possible; however, because of residual air, the filament quickly failed.

Discouraged by the cost of current from primary batteries and the difficulty of achieving a good vacuum, Swan began to devote much of his attention to photography. With Mawson's support the pharmacy was expanded to include a photographic business. Swan's interest in making permanent photographic records led him to patent the carbon process in 1864 and he discovered how to make a sensitive dry plate in place of the inconvenient wet collodian process hitherto in use. He followed this success with the invention of bromide paper, the subject of a British patent in 1879.

Swan resumed his interest in electric lighting. Sprengel's invention of the mercury pump in 1865 provided Swan with the means of obtaining the high vacuum he needed to produce a satisfactory lamp. Swan adopted a technique which was to become an essential feature in vacuum physics: continuing to heat the filament during the exhaustion process allowed the removal of absorbed gases. The inventions of Gramme, Siemens and Brush provided the source of electrical power at reasonable cost needed to make the incandescent lamp of practical service. Swan exhibited his lamp at a meeting in December 1878 of the Newcastle Chemical Society and again the following year before an audience of 700 at the Newcastle Literary and Philosophical Society. Swan's failure to patent his invention immediately was a tactical error as in November 1879 Edison was granted a British patent for his original lamp, which, however, did not go into production. Parchmentized thread was used in Swan's first commercial lamps, a material soon superseded by the regenerated cellulose filament that he developed. The cellulose filament was made by extruding a solution of nitro-cellulose in acetic acid through a die under pressure into a coagulating fluid, and was used until the ultimate obsolescence of the carbon-filament lamp. Regenerated cellulose became the first synthetic fibre, the further development and exploitation of which he left to others, the patent rights for the process being sold to Courtaulds.

Swan also devised a modification of Planté's secondary battery in which the active material was compressed into a cellular lead plate. This has remained the central principle of all improvements in secondary cells, greatly increasing the storage capacity for a given weight.

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SUBJECT AREA: Architecture and building, Civil engineering

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The son of a farmer, he had worked in gardens since boyhood and at the age of 21 was employed as Undergardener at the Horticultural Society Gardens in Chiswick, from where he went on to become Head Gardener for the Duke of Devonshire at Chatsworth. It was there that he developed his methods of glasshouse construction, culminating in the Great Conservatory of 1836–40, an immense structure some 277 ft (84.4 m) long, 123 ft (37.5 m) wide and 67 ft (20.4 m) high. Its framework was of iron and its roof of glass, with wood to contain the glass panels; it is now demolished. Paxton went on to landscape garden design, fountain and waterway engineering, the laying out of the model village of Edensor, and to play a part in railway and country house projects.

The structure that made Paxton a household name was erected in Hyde Park, London, to house the Great Exhibition of 1851 and was aptly dubbed, by Punch, the Crystal Palace. The idea of holding an international exhibition for industry had been mooted in 1849 and was backed by Prince Albert and Henry Cole. The money for this was to be raised by public subscription and 245 designs were entered into a competition held in 1850; however, most of the concepts, received from many notable architects and engineers, were very costly and unsuitable, and none were accepted. That same year, Paxton published his scheme in the Illustrated London News and it was approved after it received over-whelming public support.

Paxton's Crystal Palace, designed and erected in association with the engineers Fox and Henderson, was a prefabricated glasshouse of vast dimensions: it was 1,848 ft (563.3 m) long, 408 ft (124.4 m) wide and over 100 ft (30.5 m) high. It contained 3,300 iron columns, 2,150 girders. 24 miles (39 km) of guttering, 600,000 ft3 (17,000 m³) of timber and 900,000 ft2 (84,000 m) of sheet glass made by Chance Bros, of Birmingham. One of the chief reasons why it was accepted by the Royal Commission Committee was that it fulfilled the competition proviso that it should be capable of being erected quickly and subsequently dismantled and re-erected elsewhere. The Crystal Palace was to be erected at a cost of £79,800, much less than the other designs. Building began on 30 July 1850, with a labour force of some 2,000, and was completed on 31 March 1851. It was a landmark in construction at the time, for its size, speed of construction and its non-eclectic design, and, most of all, as the first great prefabricated building: parts were standardized and made in quantity, and were assembled on site. The exhibition was opened by Queen Victoria on 1 May 1851 and had received six million visitors when it closed on 11 October. The building was dismantled in 1852 and reassembled, with variations in design, at Sydenham in south London, where it remained until its spectacular conflagration in 1936.

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SUBJECT AREA: Horology

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Warren studied electrical engineering at the Boston Institute of Technology (later to become the Massachusetts Institute of Technology) and graduated in 1894. In 1912 he formed the Warren Electric Clock Company to make a battery-powered clock that he had patented a few years earlier. The name was changed to the Warren Telechron (time at a distance) Company after he had started to produce synchronous clocks.

In 1840 Charles Wheatstone had produced an electric master clock that produced an alternating current with a frequency of one cycle per second and which was used to drive slave dials. This system was not successful, but when Ferranti introduced the first alternating current power generator at Deptford in 1895 Hope-Jones saw in it a means of distributing time. This did not materialize immediately because the power generators did not control the frequency of the current with sufficient accuracy, and a reliable motor whose speed was related to this frequency was not available. In 1916 Warren solved both problems: he produced a reliable self-starting synchronous electric motor and he also made a master clock which could be used at the power station to control accurately the frequency of the supply. Initially the power-generating companies were reluctant to support the synchronous clock because it imposed a liability to control the frequency of the supply and the gain was likely to be small because it was very frugal in its use of power. However, with the advent of the grid system, when several generators were connected together, it became imperative to control the frequency; it was realized that although the power consumption of individual clocks was small, collectively it could be significant as they ran continuously. By the end of the 1930s more than half the clocks sold in the USA were of the synchronous type. The Warren synchronous clock was introduced into Great Britain in 1927, following the setting up of a grid system by the Electricity Commission.

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  15,000-3,000 BCE Paleolithic cultures in western Portugal.

  400-200 BCE Greek and Carthaginian trade settlements on coast.

  202 BCE Roman armies invade ancient Lusitania.

  137 BCE Intensive Romanization of Lusitania begins.

  410 CE Germanic tribes — Suevi and Visigoths—begin conquest of Roman Lusitania and Galicia.

  714—16 Muslims begin conquest of Visigothic Lusitania.

  1034 Christian Reconquest frontier reaches Mondego River.

  1064 Christians conquer Coimbra.

  1139 Burgundian Count Afonso Henriques proclaims himself king of Portugal; birth of Portugal. Battle of Ourique: Afonso Henriques defeats Muslims.

  1147 With English Crusaders' help, Portuguese seize Lisbon from Muslims.

  1179 Papacy formally recognizes Portugal's independence (Pope Alexander III).

  1226 Campaign to reclaim Alentejo from Muslims begins.

  1249 Last Muslim city (Silves) falls to Portuguese Army.

  1381 Beginning of third war between Castile and Portugal.

  1383 Master of Aviz, João, proclaimed regent by Lisbon populace.

  1385 April: Master of Aviz, João I, proclaimed king of Portugal by Cortes of Coimbra. 14 August: Battle of Aljubarrota, Castilians defeated by royal forces, with assistance of English army.

  1394 Birth of "Prince Henry the Navigator," son of King João I.

  1415 Beginning of overseas expansion as Portugal captures Moroccan city of Ceuta.

  1419 Discovery of Madeira Islands.

  1425-28 Prince D. Pedro, older brother of Prince Henry, travels in Europe.

  1427 Discovery (or rediscovery?) of Azores Islands.

  1434 Prince Henry the Navigator's ships pass beyond Cape Bojador, West Africa.

  1437 Disaster at Tangier, Morocco, as Portuguese fail to capture city.

  1441 First African slaves from western Africa reach Portugal.

  1460 Death of Prince Henry. Portuguese reach what is now Senegal, West Africa.

  1470s Portuguese explore West African coast and reach what is now Ghana and Nigeria and begin colonizing islands of São Tomé and Príncipe.

  1479 Treaty of Alcáçovas between kings of Portugal and Spain.

  1482 Portuguese establish post at São Jorge da Mina, Gold Coast (now Ghana).

  1482-83 Portuguese navigator Diogo Cão reaches mouth of Congo River and Angola.

  1488 Navigator Bartolomeu Dias rounds Cape of Good Hope, South Africa, and finds route to Indian Ocean.

  1492-93 Columbus's first voyage to West Indies.

  1493 Columbus visits Azores and Portugal on return from first voyage; tells of discovery of New World. Treaty of Tordesillas signed between kings of Portugal and Spain: delimits spheres of conquest with line 370 leagues west of Cape Verde Islands (claimed by Portugal); Portugal's sphere to east of line includes, in effect, Brazil.

   King Manuel I and Royal Council decide to continue seeking all-water route around Africa to Asia.

   King Manuel I expels unconverted Jews from Portugal.

  1497-99 Epic voyage of Vasco da Gama from Portugal around Africa to west India, successful completion of sea route to Asia project; da Gama returns to Portugal with samples of Asian spices.

  1500 Bound for India, Navigator Pedro Álvares Cabral "discovers" coast of Brazil and claims it for Portugal.

  1506 Anti-Jewish riots in Lisbon.

   Battle of Diu, India; Portugal's command of Indian Ocean assured for some time with Francisco de Almeida's naval victory over Egyptian and Gujerati fleets.

   Afonso de Albuquerque conquers Goa, India; beginning of Portuguese hegemony in south Asia.

   Portuguese conquest of Malacca; commerce in Spice Islands.

  1519 Magellan begins circumnavigation voyage.

  1536 Inquisition begins in Portugal.

  1543 Portuguese merchants reach Japan.

  1557 Portuguese merchants granted Chinese territory of Macau for trading factory.

  1572 Luís de Camões publishes epic poem, Os Lusíadas.

  1578 Battle of Alcácer-Quivir; Moroccan forces defeat army of King Sebastião of Portugal; King Sebastião dies in battle. Portuguese succession crisis.

  1580 King Phillip II of Spain claims and conquers Portugal; Spanish rule of Portugal, 1580-1640.

  1607-24 Dutch conquer sections of Asia and Brazil formerly held by Portugal.

  1640 1 December: Portuguese revolution in Lisbon overthrows Spanish rule, restores independence. Beginning of Portugal's Braganza royal dynasty.

  1654 Following Dutch invasions and conquest of parts of Brazil and Angola, Dutch expelled by force.

  1661 Anglo-Portuguese Alliance treaty signed: England pledges to defend Portugal "as if it were England itself." Queen Catherine of Bra-ganza marries England's Charles II.

  1668 February: In Portuguese-Spanish peace treaty, Spain recognizes independence of Portugal, thus ending 28-year War of Restoration.

  1703 Methuen Treaties signed, key commercial trade agreement and defense treaty between England and Portugal.

  1750 Pombal becomes chief minister of King José I.

  1755 1 November: Massive Lisbon earthquake, tidal wave, and fire.

  1759 Expulsion of Jesuits from Portugal and colonies.

  1761 Slavery abolished in continental Portugal.

  1769 Abandonment of Mazagão, Morocco, last Portuguese outpost.

  1777 Pombal dismissed as chief minister by Queen Maria I, after death of José I.

  1791 Portugal and United States establish full diplomatic relations.

  1807 November: First Napoleonic invasion; French forces under Junot conquer Portugal. Royal family flees to colony of Brazil and remains there until 1821.

  1809 Second French invasion of Portugal under General Soult.

  1811 Third French invasion of Portugal under General Masséna.

  1813 Following British general Wellington's military victories, French forces evacuate Portugal.

  1817 Liberal, constitutional movements against absolutist monarchist rule break out in Brazil (Pernambuco) and Portugal (Lisbon, under General Gomes Freire); crushed by government. British marshal of Portugal's army, Beresford, rules Portugal.

   Liberal insurrection in army officer corps breaks out in Cadiz, Spain, and influences similar movement in Portugal's armed forces first in Oporto.

   King João VI returns from Rio de Janeiro, Brazil, and early draft of constitution; era of constitutional monarchy begins.

  1822 7 September: João VI's son Pedro proclaims independence of

   Brazil from Portugal and is named emperor. 23 September: Constitution of 1822 ratified.

   Portugal recognizes sovereign independence of Brazil.

   King João VI dies; power struggle for throne ensues between his sons, brothers Pedro and Miguel; Pedro, emperor of Brazil, abdicates Portuguese throne in favor of his daughter, D. Maria II, too young to assume crown. By agreement, Miguel, uncle of D. Maria, is to accept constitution and rule in her stead.

  1828 Miguel takes throne and abolishes constitution. Sections of Portugal rebel against Miguelite rule.

  1831 Emperor Pedro abdicates throne of Brazil and returns to Portugal to expel King Miguel from Portuguese throne.

  1832-34 Civil war between absolutist King Miguel and constitutionalist Pedro, who abandons throne of Brazil to restore his young daughter Maria to throne of Portugal; Miguel's armed forces defeated by those of Pedro. Miguel leaves for exile and constitution (1826 Charter) is restored.

  1834-53 Constitutional monarchy consolidated under rule of Queen Maria II, who dies in 1853.

  1851-71 Regeneration period of economic development and political stability; public works projects sponsored by Minister Fontes Pereira de Melo.

  1871-90 Rotativism period of alternating party governments; achieves political stability and less military intervention in politics and government. Expansion of colonial territory in tropical Africa.

   January: Following territorial dispute in central Africa, Britain delivers "Ultimatum" to Portugal demanding withdrawal of Portugal's forces from what is now Malawi and Zimbabwe. Portugal's government, humiliated in accepting demand under threat of a diplomatic break, falls. Beginning of governmental and political instability; monarchist decline and republicanism's rise.

   Anglo-Portuguese treaties signed relating to delimitation of frontiers in colonial Africa.

  1899 Treaty of Windsor; renewal of Anglo-Portuguese defense and friendship alliance.

  1903 Triumphal visit of King Edward VII to Portugal.

  1906 Politician João Franco supported by King Carlos I in dictatorship to restore order and reform.

  1908 1 February: Murder in Lisbon of King Carlos I and his heir apparent, Prince Dom Luís, by Portuguese anarchists. Eighteen-year-old King Manuel II assumes throne.

  1910 3-5 October: Following republican-led military insurrection in armed forces, monarchy falls and first Portuguese republic is proclaimed. Beginning of unstable, economically troubled, parliamentary republic form of government.

   May: Violent insurrection in Lisbon overturns government of General Pimenta de Castro; nearly a thousand casualties from several days of armed combat in capital.

   March: Following Portugal's honoring ally Britain's request to confiscate German shipping in Portuguese harbors, Germany declares war on Portugal; Portugal enters World War I on Allied side.

   Portugal organizes and dispatches Portuguese Expeditionary Corps to fight on the Western Front. 9 April: Portuguese forces mauled by German offensive in Battle of Lys. Food rationing and riots in Lisbon. Portuguese military operations in Mozambique against German expedition's invasion from German East Africa. 5 December: Authoritarian, presidentialist government under Major Sidónio Pais takes power in Lisbon, following a successful military coup.

  1918 11 November: Armistice brings cessation of hostilities on Western Front in World War I. Portuguese expeditionary forces stationed in Angola, Mozambique, and Flanders begin return trip to Portugal. 14 December: President Sidónio Pais assassinated. Chaotic period of ephemeral civil war ensues.

  1919-21 Excessively unstable political period, including January

  1919 abortive effort of Portuguese monarchists to restore Braganza dynasty to power. Republican forces prevail, but level of public violence, economic distress, and deprivation remains high.

  1921 October: Political violence attains peak with murder of former prime minister and other prominent political figures in Lisbon. Sectors of armed forces and Guarda Nacional Republicana are mutinous. Year of financial and corruption scandals, including Portuguese bank note (fraud) case; military court acquits guilty military insurrectionists, and one military judge declares "the country is sick."

   28 May: Republic overthrown by military coup or pronunciamento and conspiracy among officer corps. Parliament's doors locked and parliament closed for nearly nine years to January 1935. End of parliamentary republic, Western Europe's most unstable political system in this century, beginning of the Portuguese dictatorship, after 1930 known as the Estado Novo. Officer corps assumes reins of government, initiates military censorship of the press, and suppresses opposition.

   February: Military dictatorship under General Óscar Carmona crushes failed republican armed insurrection in Oporto and Lisbon.

   April: Military dictatorship names Professor Antônio de Oliveira Salazar minister of finance, with dictatorial powers over budget, to stabilize finances and rebuild economy. Insurrectionism among military elements continues into 1931.

  1930 Dr. Salazar named minister for colonies and announces balanced budgets. Salazar consolidates support by various means, including creation of official regime "movement," the National Union. Salazar engineers Colonial Act to ensure Lisbon's control of bankrupt African colonies by means of new fiscal controls and centralization of authority. July: Military dictatorship names Salazar prime minister for first time, and cabinet composition undergoes civilianization; academic colleagues and protégés plan conservative reform and rejuvenation of society, polity, and economy. Regime comes to be called the Estado Novo (New State). New State's constitution ratified by new parliament, the National Assembly; Portugal described in document as "unitary, corporative Republic" and governance influenced by Salazar's stern personality and doctrines such as integralism, Catholicism, and fiscal conservatism.

  1936 Violent instability and ensuing civil war in neighboring Spain, soon internationalized by fascist and communist intervention, shake Estado Novo regime. Pseudofascist period of regime features creation of imitation Fascist institutions to defend regime from leftist threats; Portugal institutes "Portuguese Youth" and "Portuguese Legion."

  1939 3 September: Prime Minister Salazar declares Portugal's neutrality in World War II. October: Anglo-Portuguese agreement grants naval and air base facilities to Britain and later to United States for Battle of the Atlantic and Normandy invasion support. Third Reich protests breach of Portugal's neutrality.

   6 June: On day of Allies' Normandy invasion, Portugal suspends mining and export of wolfram ore to both sides in war.

   8 May: Popular celebrations of Allied victory and Fascist defeat in Lisbon and Oporto coincide with Victory in Europe Day. Following managed elections for Estado Novo's National Assembly in November, regime police, renamed PIDE, with increased powers, represses opposition.

  1947 Abortive military coup in central Portugal easily crushed by regime. Independence of India and initiation of Indian protests against Portuguese colonial rule in Goa and other enclaves.

  1949 Portugal becomes founding member of NATO.

  1951 Portugal alters constitution and renames overseas colonies "Overseas Provinces." Portugal and United States sign military base agreements for use of air and naval facilities in Azores Islands and military aid to Lisbon. President Carmona dies in office, succeeded by General Craveiro Lopes (1951-58). July: Indians occupy enclave of Portuguese India (dependency of Damão) by means of passive resistance movement. August: Indian passive resistance movement in Portuguese India repelled by Portuguese forces with loss of life. December: With U.S. backing, Portugal admitted as member of United Nations (along with Spain). Air force general Humberto Delgado, in opposition, challenges Estado Novo's hand-picked successor to Craveiro Lopes, Admiral Américo Tomás. Delgado rallies coalition of democratic, liberal, and communist opposition but loses rigged election and later flees to exile in Brazil. Portugal joins European Free Trade Association (EFTA).

   January and February: Estado Novo rocked by armed African insurrection in northern Angola, crushed by armed forces. Hijacking of Portuguese ocean liner by ally of Delgado, Captain Henrique Galvão. April: Salazar defeats attempted military coup and reshuffles cabinet with group of younger figures who seek to reform colonial rule and strengthen the regime's image abroad. 18 December: Indian army rapidly defeats Portugal's defense force in Goa, Damão, and Diu and incorporates Portugal's Indian possessions into Indian Union. January: Abortive military coup in Beja, Portugal.

  1965 February: General Delgado and his Brazilian secretary murdered and secretly buried near Spanish frontier by political police, PIDE.

  1968 August and September: Prime Minister Salazar, aged 79, suffers crippling stoke. President Tomás names former cabinet officer Marcello Caetano as Salazar's successor. Caetano institutes modest reforms in Portugal and overseas.

  1971 Caetano government ratifies amended constitution that allows slight devolution and autonomy to overseas provinces in Africa and Asia. Right-wing loyalists oppose reforms in Portugal. 25 April: Military coup engineered by Armed Forces Movement overthrows Estado Novo and establishes provisional government emphasizing democratization, development, and decolonization. Limited resistance by loyalists. President Tomás and Premier Caetano flown to exile first in Madeira and then in Brazil. General Spínola appointed president. September: Revolution moves to left, as President Spínola, thwarted in his program, resigns.

   March: Military coup by conservative forces fails, and leftist response includes nationalization of major portion of economy. Polarization between forces and parties of left and right. 25 November: Military coup by moderate military elements thwarts leftist forces. Constituent Assembly prepares constitution. Revolution moves from left to center and then right.

   March: Constitution ratified by Assembly of the Republic. 25 April: Second general legislative election gives largest share of seats to Socialist Party (PS). Former oppositionist lawyer, Mário Soares, elected deputy and named prime minister.

  1977-85 Political pendulum of democratic Portugal moves from center-left to center-right, as Social Democratic Party (PSD) increases hold on assembly and take office under Prime Minister Cavaco Silva. July

  1985 elections give edge to PSD who advocate strong free-enterprise measures and revision of leftist-generated 1976 Constitution, amended modestly in 1982.

  1986 January: Portugal joins European Economic Community (EEC).

  1987 July: General, legislative elections for assembly give more than 50 percent to PSD led by Prime Minister Cavaco Silva. For first time, since 1974, Portugal has a working majority government.

  1989 June: Following revisions of 1976 Constitution, reprivatization of economy begins, under PS government.

   January: Presidential elections, Mário Soares reelected for second term. July: General, legislative elections for assembly result in new PSD victory and majority government.

   January-July: Portugal holds presidency of the Council of the European Economic Community (EEC). December: Tariff barriers fall as fully integrated Common Market established in the EEC.

   November: Treaty of Maastricht comes into force. The EEC officially becomes the European Union (EU). Portugal is signatory with 11 other member-nations.

   October: General, legislative elections for assembly result in PS victory and naming of Prime Minister Guterres. PS replace PSD as leading political party. November: Excavations for Lisbon bank uncover ancient Phoenician, Roman, and Christian ruins.

   January: General, presidential elections; socialist Jorge Sampaio defeats PSD's Cavaco Silva and assumes presidency from Dr. Mário Soares. July: Community of Portuguese Languages Countries (CPLP) cofounded by Portugal and Brazil.

   May-September: Expo '98 held in Lisbon. Opening of Vasco da Gama Bridge across Tagus River, Europe's longest (17 kilometers/ 11 miles). June: National referendum on abortion law change defeated after low voter turnout. November: National referendum on regionaliza-tion and devolution of power defeated after another low voter turnout.

   October: General, legislative elections: PS victory over PSD lacks clear majority in parliament. Following East Timor referendum, which votes for independence and withdrawal of Indonesia, outburst of popular outrage in streets, media, and communications of Portugal approves armed intervention and administration of United Nations (and withdrawal of Indonesia) in East Timor. Portugal and Indonesia restore diplomatic relations. December: A Special Territory since 1975, Colony of Macau transferred to sovereignty of People's Republic of China.

   January-June: Portugal holds presidency of the Council of the EU; end of Discoveries Historical Commemoration Cycle (1988-2000).

   United Nations forces continue to occupy and administer former colony of East Timor, with Portugal's approval.

   January: General, presidential elections; PS president Sampaio reelected for second term. City of Oporto, "European City of Culture" for the year, hosts arts festival. December: Municipal elections: PSD defeats PS; socialist prime minister Guterres resigns; President Sampaio calls March parliamentary elections.

   1 January: Portugal enters single European Currency system. Euro currency adopted and ceases use of former national currency, the escudo. March: Parliamentary elections; PSD defeats PS and José Durão Barroso becomes prime minister. Military modernization law passed. Portugal holds chairmanship of Organization for Security and Co-operation in Europe (OSCE).

   May: Municipal law passed permitting municipalities to reorganize in new ways.

   June: Prime Minister Durão Barroso, invited to succeed Romano Prodi as president of EU Commission, resigns. Pedro Santana Lopes becomes prime minister. European Parliament elections held. Conscription for national service in army and navy ended. Mass grave uncovered at Academy of Sciences Museum, Lisbon, revealing remains of several thousand victims of Lisbon earthquake, 1755.

   February: Parliamentary elections; PS defeats PSD, socialists win first absolute majority in parliament since 1975. José Sócrates becomes prime minister.

   January: Presidential elections; PSD candidate Aníbal Cavaco Silva elected and assumes presidency from Jorge Sampaio. Portugal's national soccer team ranked 7th out of 205 countries by international soccer association. European Union's Bologna Process in educational reform initiated in Portugal.

   July-December: Portugal holds presidency of the Council of the European Union. For reasons of economy, Portugal announces closure of many consulates, especially in France and the eastern US. Government begins official inspections of private institutions of higher education, following scandals.

  2008 January: Prime Minister Sócrates announces location of new Lisbon area airport as Alcochete, on south bank of Tagus River, site of air force shooting range. February: Portuguese Army begins to receive new modern battle tanks (Leopard 2 A6). March: Mass protest of 85,000 public school (primary and secondary levels) teachers in Lisbon schools dispute recent educational policies of minister of education and prime minister.

SUBJECT AREA: Electricity, Land transport, Railways and locomotives

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Davidson, son of an Aberdeen merchant, attended Marischal College, Aberdeen, between 1819 and 1822: his studies included mathematics, mechanics and chemistry. He subsequently joined his father's grocery business, which from time to time received enquiries for yeast: to meet these, Davidson began to manufacture yeast for sale and from that start built up a successful chemical manufacturing business with the emphasis on yeast and dyes. About 1837 he started to experiment first with electric batteries and then with motors. He invented a form of electromagnetic engine in which soft iron bars arranged on the periphery of a wooden cylinder, parallel to its axis, around which the cylinder could rotate, were attracted by fixed electromagnets. These were energized in turn by current controlled by a simple commutaring device. Electric current was produced by his batteries. His activities were brought to the attention of Michael Faraday and to the scientific world in general by a letter from Professor Forbes of King's College, Aberdeen. Davidson declined to patent his inventions, believing that all should be able freely to draw advantage from them, and in order to afford an opportunity for all interested parties to inspect them an exhibition was held at 36 Union Street, Aberdeen, in October 1840 to demonstrate his "apparatus actuated by electro-magnetic power". It included: a model locomotive carriage, large enough to carry two people, that ran on a railway; a turning lathe with tools for visitors to use; and a small printing machine. In the spring of 1842 he put on a similar exhibition in Edinburgh, this time including a sawmill. Davidson sought support from railway companies for further experiments and the construction of an electromagnetic locomotive; the Edinburgh exhibition successfully attracted the attention of the proprietors of the Edinburgh 585\& Glasgow Railway (E \& GR), whose line had been opened in February 1842. Davidson built a full-size locomotive incorporating his principle, apparently at the expense of the railway company. The locomotive weighed 7 tons: each of its two axles carried a cylinder upon which were fastened three iron bars, and four electromagnets were arranged in pairs on each side of the cylinders. The motors he used were reluctance motors, the power source being zinc-iron batteries. It was named Galvani and was demonstrated on the E \& GR that autumn, when it achieved a speed of 4 mph (6.4 km/h) while hauling a load of 6 tons over a distance of 1 1/2 miles (2.4 km); it was the first electric locomotive. Nevertheless, further support from the railway company was not forthcoming, although to some railway workers the locomotive seems to have appeared promising enough: they destroyed it in Luddite reaction. Davidson staged a further exhibition in London in 1843 without result and then, the cost of battery chemicals being high, ceased further experiments of this type. He survived long enough to see the electric railway become truly practicable in the 1880s.

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Great interest has been expressed (or demonstrated, or displayed) by mineral engineers in this roof-support system.

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Some interest is being shown in these steels.

1) General subject: auxiliaries, non-manual workers (в отличие от рабочих), operating personnel, Park keepers, servitorial staff

2) Computers: servicer

3) Aviation: processing people

4) Medicine: attendants

5) Engineering: attending personnel, maintenance engineers, maintenance personnel, maintenance staff (технический), maintenance workers, men, operating force, operating staff (оборудование), service people

6) Construction: attendance crew

7) Railway term: maintenance force, maintenance stuff

8) Law: auxiliary personnel (посольства, миссии), service personnel (посольства, миссии), service staff (посольств, миссий)

9) Economy: catering staff, handing Labor, handing labour, operating people, operational people, service staff

10) Accounting: handling labour

11) Architecture: staff of attendants

12) Diplomatic term: servant, service personnel (дипломатического представительства), service staff (дипломатического представительства)

13) Metallurgy: handling labor, operative personnel

14) Telecommunications: maintenance crew, operation personnel, craftsperson

15) Theatre: backstage staff (рабочие сцены и администрация: The production contained about 100 actors and backstage staff.)

16) Information technology: (технический) maintenance staff, manning, servicers

17) Oil: maintenance engineer, mans

18) Advertising: service employees

19) Business: field staff, help staff, operating crew, operational staff

20) Travel: housekeeping staff

21) Network technologies: operations staff

22) Automation: attendant

23) Chemical weapons: support personnel

24) Makarov: ancillary workers, assistants, attendances

25) Security: operational personnel

26) Combustion gas turbines: crew

SUBJECT AREA: Chemical technology

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Bosch spent a year as a metalworker before studying chemistry at Leipzig University, obtaining his doctorate in 1898. The following year, he entered Badische Soda-, Anilin Fabrik (BASF), the leading German manufacturer of dyestuflfs. Between 1902 and 1907 he spent much time investigating processes for nitrogen fixation. In 1908 Fritz Haber told BASF of his laboratory-scale synthesis of ammonia from its constituent elements, and in the following year Bosch was assigned to developing it to the industrial scale. Leading a large team of chemists and engineers, Bosch designed the massive pressure converter and other features of the process and was the first to use the water gas shift reaction to produce the large quantities of hydrogen that were required. By 1913 Bosch had completed the largest chemical engineering plant at BASF's works at Oppau, and soon it was producing 36,000 tons of ammonium sulphate a year. Bosch enlarged the Oppau plant and went on to construct a larger plant at Leuna.

In 1914 Bosch was appointed a Director of BASF. At the end of the First World War he became Technical Adviser to the German delegation at the peace conference. During the 1920s BASF returned to its position of pre-eminence in high-pressure technology, thanks largely to Bosch's leadership. Although increasingly absorbed in administrative matters, Bosch was able to support the synthesis of methane and the hydrogenation of coal tar and lignite to make petrol. In 1925 BASF merged with other companies to form the giant IG Farbenindustrie AG, of which Bosch became Chairman of the Managing Board. His achievements received international recognition in 1931 when he was awarded, with F. Bergius, the Nobel Prize in Chemistry for high-pressure synthesis.

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SUBJECT AREA: Steam and internal combustion engines

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A German born in Paris, he was educated in Augsburg and later in Munich, where he graduated first in his class. There he took some courses under Professor Karl von Linde, pioneer of mechanical refrigeration and an authority on thermodynamics, who pointed out the low efficiency of the steam engine. He went to work for the Linde Ice Machine Company as an engineer and later as Manager; there he conceived a new basic cycle and worked out its thermodynamics, which he published in 1893 as "The theory and construction of a rational heat motor". Compressing air adiabatically to one-sixteenth of its volume caused the temperature to rise to 1,000°F (540°C). Injected fuel would then ignite automatically without any electrical system. He obtained permission to use the laboratories of the Augsburg-Nuremburg Engine Works to build a single-cylinder prototype. On test it blew up, nearly killing Diesel. He proved his principle, however, and obtained financial support from the firm of Alfred Krupp. The design was refined until successful and in 1898 an engine was put on display in Munich with the result that many business people invested in Diesel and his engine and its worldwide production. Diesel made over a million dollars out of the invention. The heart of the engine is the fuel-injection pump, which operates at a pressure of c.500 psi (35 kg/cm). The first English patent for the engine was in 1892. The firms in Augsburg sent him abroad to sell his engine; he persuaded the French to adopt it for submarines, Germany having refused this. Diesel died in 1913 in mysterious circumstances, vanishing from the Harwich-Antwerp ferry.

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SUBJECT AREA: Aerospace

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After serving in the British Army during the Boer War. Dunne returned home convinced that aeroplanes would be more suitable than balloons for reconnaissance work. He built models to test his ideas for a tailless design based on the winged seed of a Javanese climbing plant. In 1906 Dunne joined the staff of the Balloon Factory at Farnborough, where the Superintendent, Colonel J.E.Capper, was also interested in manned kites and aeroplanes. Since 1904 the colourful American "Colonel" S.F. Cody had been experimenting at Farnborough with manned kites, and in 1908 his "British Army Dirigible No. 1" made the first powered flight in Britain. Dunne's first swept-wing tailless glider was ready to fly in the spring of 1907, but it was deemed to be a military secret and flying it at Farnborough would be too public. Dunne, Colonel Capper and a team of army engineers took the glider to a remote site at Blair Atholl in Scotland for its test flights. It was not a great success, although it attracted snoopers, with the result that it was camouflaged. Powered versions made short hops in 1908, but then the War Office withdrew its support. Dunne and his associates set up a syndicate to continue the development of a new tailless aeroplane, the D 5; this was built by Short Brothers (see Short, Hugh Oswald) and flew successfully in 1910. It had combined elevators and ailerons on the wing tips (or elevons as they are now called when fitted to modern delta-winged aircraft). In 1913 an improved version of the D 5 was demonstrated in France, where the pilot left his cockpit and walked along the wing in flight. Dunne had proved his point and designed a stable aircraft, but his health was suffering and he retired. During the First World War, however, it was soon learned that military aircraft needed to be manoeuvrable rather than stable.

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SUBJECT AREA: Domestic appliances and interiors

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Frank Hornby left school at the age of 16 and worked as a clerk, at first for his father, a provision merchant, and later for D.H.Elliott, an importer of meat and livestock, for whom he became Managing Clerk. As a youth he was interested in engineering and in his own small workshop he became a skilled amateur mechanic. He made toys for his children and c.1900 he devised a constructional toy kit consisting of perforated metal strips which could be connected by bolts and nuts. He filed a patent application in January 1901 and, having failed to interest established toy manufacturers, he set up a small business in partnership with his employer, D.H. Elliott, who provided financial support. The kits were sold at first under the name of Mechanics Made Easy, but by 1907 the name Meccano had been registered as a trade mark. The business expanded rapidly and in 1908 Elliott withdrew from the partnership and Hornby continued on his own account, the company being incorporated as Meccano Ltd. Although parts for Meccano were produced at first by various manufacturers, Hornby soon acquired premises to produce all the components under his own control, and between 1910 and 1913 he established his own factory on a 5-acre (2-hectare) site at Binn's Road, Liverpool. The Meccano Magazine, a monthly publication with articles of general engineering interest, developed from a newsletter giving advice on the use of Meccano, and from the first issue in 1916 until 1924 was edited by Frank Hornby. In 1920 he introduced the clockwork Hornby trains, followed by the electric version five years later. These were gauge "0" (1 1/4 in./32 mm); the smaller gauge "00", or Hornby Dublo, was a later development. Another product of Meccano Ltd was the series of model vehicles known as Dinky toys, introduced in 1934.

Frank Hornby served as a Member of Parliament for the Everton Division of Liverpool from 1931 to 1935.

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SUBJECT AREA: Broadcasting, Electronics and information technology, Telecommunications

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Marconi was educated in physics at Leghorn and at Bologna University. An avid experimenter, he worked in his parents' attic and, almost certainly aware of the recent work of Hertz and others, soon improved the performance of coherers and spark-gap transmitters. He also discovered for himself the use of earthing and of elevated metal plates as aerials. In 1895 he succeeded in transmitting telegraphy over a distance of 2 km (1¼ miles), but the Italian Telegraph authority rejected his invention, so in 1896 he moved to England, where he filed the first of many patents. There he gained the support of the Chief Engineer of the Post Office, and by the following year he had achieved communication across the Bristol Channel.

The British Post Office was also slow to take up his work, so in 1897 he formed the Wireless Telegraph \& Signal Company to work independently. In 1898 he sold some equipment to the British Army for use in the Boer War and established the first permanent radio link from the Isle of Wight to the mainland. In 1899 he achieved communication across the English Channel (a distance of more than 31 miles or 50 km), the construction of a wireless station at Spezia, Italy, and the equipping of two US ships to report progress in the America's Cup yacht race, a venture that led to the formation of the American Marconi Company. In 1900 he won a contract from the British Admiralty to sell equipment and to train operators. Realizing that his business would be much more successful if he could offer his customers a complete radio-communication service (known today as a "turnkey" deal), he floated a new company, the Marconi International Marine Communications Company, while the old company became the Marconi Wireless Telegraph Company.

His greatest achievement occurred on 12 December 1901, when Morse telegraph signals from a transmitter at Poldhu in Cornwall were received at St John's, Newfoundland, a distance of some 2,100 miles (3,400 km), with the use of an aerial flown by a kite. As a result of this, Marconi's business prospered and he became internationally famous, receiving many honours for his endeavours, including the Nobel Prize for Physics in 1909. In 1904, radio was first used to provide a daily bulletin at sea, and in 1907 a transatlantic wireless telegraphy service was inaugurated. The rescue of 1,650 passengers from the shipwreck of SS Republic in 1909 was the first of many occasions when wireless was instrumental in saving lives at sea, most notable being those from the Titanic on its maiden voyage in April 1912; more lives would have been saved had there been sufficient lifeboats. Marconi was one of those who subsequently pressed for greater safety at sea. In 1910 he demonstrated the reception of long (8 km or 5 miles) waves from Ireland in Buenos Aires, but after the First World War he began to develop the use of short waves, which were more effectively reflected by the ionosphere. By 1918 the first link between England and Australia had been established, and in 1924 he was awarded a Post Office contract for short-wave communication between England and the various parts of the British Empire.

With his achievements by then recognized by the Italian Government, in 1915 he was appointed Radio-Communications Adviser to the Italian armed forces, and in 1919 he was an Italian delegate to the Paris Peace Conference. From 1921 he lived on his yacht, the Elettra, and although he joined the Fascist Party in 1923, he later had reservations about Mussolini.

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