he is believed to be in the London area

1) (surface measure) Flächenausdehnung, die

2) (region) Gelände, das; (of wood, marsh, desert) Gebiet, das; (of city, country) Gegend, die; (of skin, wall, etc.) Stelle, die

3) (defined space) Bereich, der

4) (subject field) Gebiet, das

5) (scope) Raum, der

* * *

1) (the extent or size of a flat surface: This garden is twelve square metres in area.) die Fläche

2) (a place; part( of a town etc): Do you live in this area?) die Gegend

* * *

[ˈeəriə, AM ˈeri-]

1. (region) Gebiet nt, Region f

\area of activity Tätigkeitsgebiet nt, Tätigkeitsfeld nt

\area of the brain Hirnregion f

\area of coverage Reichweite f

danger \area Gefahrenzone f

\area of the lung Lungenbereich m

\area manager Gebietsleiter(in) m(f)

\area of responsibility Aufgabengebiet nt

testing \area Testgelände nt

2. COMM

commercial \area Gewerbegebiet nt

sales \area Verkaufsfläche f; ECON

free trade \area Freihandelszone f; FIN

dollar/sterling \area Dollar-/Sterlingzone f

3. (subject field) Gebiet nt fig

\area of competence/knowledge Wissensgebiet nt

4. (surface measure) Fläche f, Flächeninhalt m

\area of a circle Kreisfläche f

50 square kilometres in \area eine Fläche von 50 km²

5. FBALL ( fam) Strafraum m

6. (approximately)

▪ in the \area of... ungefähr...

in the \area of £200 etwa 200 Pfund

* * *

1) (measure) Fläche f

2) (= region, district) Gebiet nt; (= neighbourhood, vicinity) Gegend f; (separated off, piece of ground etc) Areal nt, Gelände nt; (on plan, diagram etc) Bereich m; (= slum area, residential area, commercial area) Viertel nt, Gebiet nt

3) (fig) Bereich m

4) (Brit: basement courtyard) Vorplatz m

* * *

area [ˈeərıə] s

1. (begrenzte) Fläche, Flächenraum m, Boden-, Grundfläche f:

what is the area of …? wie groß ist …?;

a flat 75 square metres in area eine 75m² große Wohnung;

the island is about 30 square miles in area die Insel hat eine Fläche von ungefähr 30 Quadratmeilen

2. Gebiet n, Zone f, Gegend f ( alle auch ANAT), Raum m:

in the Chicago area im Raum (von) Chicago;

in the London area in der Londoner Gegend;

area of low pressure METEO Tiefdruckgebiet

3. (freier) Platz

4. Grundstück n

5. fig Bereich m, Gebiet n:

area of activity Betätigungsfeld n;

area of interest Interessengebiet;

area of knowledge Wissensgebiet;

in the area of auf dem Gebiet (gen);

within the area of possibility im Bereich des Möglichen

6. MATH Flächeninhalt m, -raum m, (Grund)Fläche f, Inhalt m:

area of a circle Kreisfläche

7. MATH, PHYS, TECH (Ober)Fläche f:

area of contact Begrenzungs-, Berührungsfläche

8. ANAT (Gehör-, Seh-, Sprach- etc) Zentrum n

9. ARCH lichter Raum

10. MIL Abschnitt m, Operationsgebiet n:

area command US Militärbereich m;

area bombing Bombenflächenwurf m

11. → academic.ru/3547/areaway">areaway

* * *

1) (surface measure) Flächenausdehnung, die

2) (region) Gelände, das; (of wood, marsh, desert) Gebiet, das; (of city, country) Gegend, die; (of skin, wall, etc.) Stelle, die

3) (defined space) Bereich, der

4) (subject field) Gebiet, das

5) (scope) Raum, der

* * *

Areal -e n.

Bereich -e m.

Fläche -n f.

Flächeninhalt m.

Nahbereich m.

Zone -n f.

1)

2) (have faith) glauben (in an + Akk.) [Gott, Himmel usw.]

3) (suppose, think) glauben; denken

1)

2) (be of opinion that) glauben; der Überzeugung sein

* * *

1) (to regard (something) as true: I believe his story.) glauben

2) (to trust (a person), accepting what he says as true: I believe you.) glauben

3) (to think (that): I believe he's ill.) glauben

•

- academic.ru/6333/believable">believable

* * *

I. vt

1. (presume true)

▪ to \believe sth etw glauben

\believe [you] me! du kannst mir glauben!

would you \believe it? kannst du dir das vorstellen?, also unglaublich! fam

I wouldn't have \believed it of them das hätte ich nicht von ihnen gedacht

she couldn't [or could hardly] \believe her ears/eyes sie traute ihren Ohren/Augen nicht

I couldn't \believe my luck ich konnte mein Glück [gar] nicht fassen

I'll \believe it when I see it! das glaube ich erst, wenn ich es sehe!

I can't \believe how... ich kann gar nicht verstehen, wie...

\believe it or not ob du es glaubst oder nicht fam

to not \believe a word of sth kein Wort von etw dat glauben

▪ to \believe sb to be sth jdn für etw akk halten

▪ to \believe that... glauben, dass...

to find sth hard to \believe etw kaum glauben [o fassen] können

she found it hard to \believe that... es fiel ihr schwer zu glauben, dass...

2. (pretend)

to make \believe [that]... so tun, als ob...

the boys made \believe to be [or that they were] pirates die Jungen taten so, als wären sie Piraten

▶ seeing is believing ( saying) was ich sehe, glaube ich

II. vi

1. (be certain of)

▪ to \believe in sth UFOs, God an etw akk glauben

2. (have confidence)

▪ to \believe in sb/sth auf jdn/etw vertrauen

3. (support sincerely)

▪ to \believe in sth für etw akk sein, viel von etw dat halten

I \believe in going for a run every morning ich bin fest davon überzeugt, dass man täglich morgens joggen sollte

4. (think) glauben, denken

Jane Roberts, I \believe? sind Sie nicht Jane Roberts?

the robbers are \believed to have escaped via Heathrow Airport man nimmt an, dass die Räuber über den Flughafen Heathrow entkommen sind

we have [every] reason to \believe that... wir haben [allen] Grund zu der Annahme, dass... geh

I \believe not/so ich glaube nicht/schon

* * *

1. vt

1) sth glauben; sb glauben (+dat)

2) (= think) glauben

2. vi

* * *

believe [bıˈliːv]

A v/i

1. glauben (in an akk)

2. (in) vertrauen (auf akk), Vertrauen haben (zu)

3. viel halten (in von):

not believe in nichts halten von;

not believe in doing sth nichts davon halten, etwas zu tun

B v/t

1. glauben:

a) annehmen, meinen

b) für wahr halten:

I didn’t believe a word he said ich glaubte ihm kein Wort;

(whether you) believe it or not ob Sie es glauben oder nicht;

would you believe it! ist das denn die Möglichkeit!, man sollte es nicht für möglich halten!;

I can well believe it das glaube ich gerne;

he made me believe it er machte es mich glauben;

I wouldn’t have believed it of him das hätte ich nicht von ihm geglaubt oder gedacht;

he is believed to be rich man hält ihn für reich;

I believe him to have done it ich glaube, dass er es getan hat;

there is reason to believe that … es gibt Grund zu der Annahme, dass …

2. Glauben schenken (dat), glauben (dat):

believe me, umg believe you me glaube mir; → ear¹ Bes Redew, eye A 1

* * *

1)

2) (have faith) glauben (in an + Akk.) [Gott, Himmel usw.]

3) (suppose, think) glauben; denken

1)

2) (be of opinion that) glauben; der Überzeugung sein

* * *

glauben (an) v. v.

glauben v.

SUBJECT AREA: Mining and extraction technology, Ports and shipping

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Williams was articled by his father, Owen Williams of Treffos in Anglesey, to the prominent Flintshire lawyer John Lloyd, whose daughter Catherine he is believed to have married. By 1769 Williams, lessee of the mansion and estate of Llanidan, was an able lawyer with excellent connections in Anglesey. His life changed dramatically when he agreed to act on behalf of the Lewis and Hughes families of Llysdulas, who had begun a lawsuit against Sir Nicholas Bayly of Plas Newydd concerning the ownership and mineral rights of copper mines on the western side of Parys mountain. During a prolonged period of litigation, Williams managed these mines for Margaret Lewis on behalf of Edward Hughes, who was established after a judgement in Chancery in 1776 as one of two legal proprietors, the other being Nicholas Bayly. The latter then decided to lease his portion to the London banker John Dawes, who in 1778 joined Hughes and Thomas Williams when they founded the Parys Mine Company.

As the active partner in this enterprise, Williams began to establish his own smelting and fabricating works in South Wales, Lancashire and Flintshire, where coal was cheap. He soon broke the power of Associated Smelters, a combine holding the Anglesey mine owners to ransom. The low production cost of Anglesey ore gave him a great advantage over the Cornish mines and he secured very profitable contracts for the copper sheathing of naval and other vessels. After several British and French copper-bottomed ships were lost because of corrosion failure of the iron nails and bolts used to secure the sheathing, Williams introduced a process for manufacturing heavily work-hardened copper bolts and spikes which could be substituted directly for iron fixings, avoiding the corrosion difficulty. His new product was adopted by the Admiralty in 1784 and was soon used extensively in British and European dockyards.

In 1785 Williams entered into partnership with Lord Uxbridge, son and heir of Nicholas Bayly, to run the Mona Mine Company at the Eastern end of Parys Mountain. This move ended much enmity and litigation and put Williams in effective control of all Anglesey copper. In the same year, Williams, with Matthew Boulton and John Wilkinson, persuaded the Cornish miners to establish a trade cooperative, the Cornish Metal Company, to market their ores. When this began to fall in 1787, Williams took over its administration, assets and stocks and until 1792 controlled the output and sale of all British copper. He became known as the "Copper King" and the output of his many producers was sold by the Copper Offices he established in London, Liverpool and Birmingham. In 1790 he became Member of Parliament for the borough of Great Marlow, and in 1792 he and Edward Hughes established the Chester and North Wales Bank, which in 1900 was absorbed by the Lloyds group.

After 1792 the output of the Anglesey mines started to decline and Williams began to buy copper from all available sources. The price of copper rose and he was accused of abusing his monopoly. By this time, however, his health had begun to deteriorate and he retreated to Bath.

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SUBJECT AREA: Ports and shipping

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It is believed that Deane was born in Harwich, the son of a master mariner. When 22 years of age, having been trained by Christopher Pett, he was appointed Assistant Master Shipwright at Woolwich Naval Dockyard, indicating an ability as a shipbuilder and also that he had influence behind him. Despite abruptness and a tendency to annoy his seniors, he was acknowledged by no less a man than Pepys (1633–1703) for his skill as a ship designer and -builder, and he was one of the few who could accurately estimate displacements and drafts of ships under construction. While only 26 years old, he was promoted to Master Shipwright of the Naval Base at Harwich and commenced a notable career. When the yard was closed four years later (on the cessation of the threat from the Dutch), Deane was transferred to the key position of Master Shipwright at Portsmouth and given the opportunity to construct large men-of-war. In 1671 he built his first three-decker and was experimenting with underwater hull sheathing and other matters. In 1672 he became a member of the Navy Board, and from then on promotion was spectacular, with almost full responsibility given him for decisions on ship procurement for the Navy. Owing to political changes he was out of office for some years and endured a short period in prison, but on his release he continued to work as a private shipbuilder. He returned to the King's service for a few years before the "Glorious Revolution" of 1688; thereafter little is known of his life, beyond that he died in 1721.

Deane's monument to posterity is his Doctrine of Naval Architecture, published in 1670. It is one of the few books on ship design of the period and gives a clear insight into the rather pedantic procedures used in those less than scientific times. Deane became Mayor of Harwich and subsequently Member of Parliament. It is believed that he was Peter the Great's tutor on shipbuilding during his visit to the Thames in 1698.

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SUBJECT AREA: Photography, film and optics

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Galileo began studying medicine at the University of Pisa but soon turned to his real interests, mathematics, mechanics and astronomy. He became Professor of Mathematics at Pisa at the age of 25 and three years later moved to Padua. In 1610 he transferred to Florence. While still a student he discovered the isochronous property of the pendulum, probably by timing with his pulse the swings of a hanging lamp during a religious ceremony in Pisa Cathedral. He later designed a pendulum-controlled clock, but it was not constructed until after his death, and then not successfully; the first successful pendulum clock was made by the Dutch scientist Christiaan Huygens in 1656. Around 1590 Galileo established the laws of motion of falling bodies, by timing rolling balls down inclined planes and not, as was once widely believed, by dropping different weights from the Leaning Tower of Pisa. These and other observations received definitive treatment in his Discorsi e dimostrazioni matematiche intorno a due nuove scienzi attenenti alla, meccanica (Dialogues Concerning Two New Sciences…) which was completed in 1634 and first printed in 1638. This work also included Galileo's proof that the path of a projectile was a parabola and, most importantly, the development of the concept of inertia.

In astronomy Galileo adopted the Copernican heliocentric theory of the universe while still in his twenties, but he lacked the evidence to promote it publicly. That evidence came with the invention of the telescope by the Dutch brothers Lippershey. Galileo heard of its invention in 1609 and had his own instrument constructed, with a convex object lens and concave eyepiece, a form which came to be known as the Galilean telescope. Galileo was the first to exploit the telescope successfully with a series of striking astronomical discoveries. He was also the first to publish the results of observations with the telescope, in his Sidereus nuncius (Starry Messenger) of 1610. All the discoveries told against the traditional view of the universe inherited from the ancient Greeks, and one in particular, that of the four satellites in orbit around Jupiter, supported the Copernican theory in that it showed that there could be another centre of motion in the universe besides the Earth: if Jupiter, why not the Sun? Galileo now felt confident enough to advocate the theory, but the advance of new ideas was opposed, not for the first or last time, by established opinion, personified in Galileo's time by the ecclesiastical authorities in Rome. Eventually he was forced to renounce the Copernican theory, at least in public, and turn to less contentious subjects such as the "two new sciences" of his last and most important work.

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SUBJECT AREA: Metallurgy

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Several members of Champion's Quaker family were actively engaged as merchants in Bristol during the late seventeenth and the eighteenth centuries. Port records show Nehemiah in receipt of Cornish copper ore at Bristol's Crews Hole smelting works by 1706, in association with the newly formed brassworks of the city. He later became a leading partner, managing the company some time after Abraham Darby left the Bristol works to pursue his interest at Coalbrookdale. Champion, probably in company with his father, became the largest customer for Darby's Coalbrookdale products and also acted as Agent, at least briefly, for Thomas Newcomen.

A patent in 1723 related to two separate innovations introduced by the brass company.

The first improved the output of brass by granulating the copper constituent and increasing its surface area. A greater proportion of zinc vapour could permeate the granules compared with the previous practice, resulting in the technique being adopted generally in the cementation process used at the time. The latter part of the same patent introduced a new type of coal-fired furnace which facilitated annealing in bulk so replacing the individual processing of pieces. The principle of batch annealing was generally adopted, although the type of furnace was later improved. A further patent, in 1739, in the name of Nehemiah, concerned overshot water-wheels possibly intended for use in conjunction with the Newcomen atmospheric pumping engine employed for recycling water by his son William.

Champion's two sons, John and William, and their two sons, both named John, were all concerned with production of non-ferrous metals and responsible for patented innovations. Nehemiah, shortly before his death, is believed to have partnered William at the Warmley works to exploit his son's new patent for producing metallic zinc.

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SUBJECT AREA: Electricity, Land transport

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Crompton was the youngest son of a widely travelled diplomat who had retired to the country and become a Whig MP after the Reform Act of 1832. During the Crimean War Crompton's father was in Gibraltar as a commander in the militia. Young Crompton enrolled as a cadet and sailed to Sebastopol, visiting an older brother, and, although only 11 years old, he qualified for the Crimean Medal. Returning to England, he was sent to Harrow, where he showed an aptitude for engineering. In the holidays he made a steam road engine on his father's estate. On leaving school he was commissioned into the Rifle Brigade and spent four years in India, where he worked on a system of steam road haulage to replace bullock trains. Leaving the Army in 1875, Crompton bought a share in an agricultural and general engineering business in Chelmsford, intending to develop his interests in transport. He became involved in the newly developing technology of electric arc lighting and began importing electric lighting equipment made by Gramme in Paris. Crompton soon decided that he could manufacture better equipment himself, and the Chemlsford business was transformed into Crompton \& Co., electrical engineers. After lighting a number of markets and railway stations, Crompton won contracts for lighting the new Law Courts in London, in 1882, and the Ring Theatre in Vienna in 1883. Crompton's interests then broadened to include domestic electrical appliances, especially heating and cooking apparatus, which provided a daytime load when lighting was not required. In 1899 he went to South Africa with the Electrical Engineers Volunteer Corps, providing telegraphs and searchlights in the Boer War. He was appointed Engineer to the new Road Board in 1910, and during the First World War worked for the Government on engineering problems associated with munitions and tanks. He believed strongly in the value of engineering standards, and in 1906 became the first Secretary of the International Electrotechnical Commission.

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SUBJECT AREA: Architecture and building, Domestic appliances and interiors

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William Hesketh Lever was the son of the retail grocer James Lever, who built up the large wholesale firm of Lever \& Co. in the north-west of England. William entered the firm at the age of 19 as a commercial traveller, and in the course of his work studied the techniques of manufacture and the quality of commercial soaps available at the time. He decided that he would concentrate on the production of a soap that was not evil-smelling, would lather easily and be attractively packaged. In 1884 he produced Sunlight Soap, which became the trade mark for Lever \& Co. He had each tablet wrapped, partly to protect the soap from oxygenization and thus prevent it from becoming rancid, and partly to display his brand name as a form of advertising. In 1885 he raised a large capital sum, purchased the Soap Factory in Warrington of Winser \& Co., and began manufacture. His product contained oils from copra, palm and cotton blended with tallow and resin, and its quality was carefully monitored during production. In a short time it was in great demand and began to replace the previously available alternatives of home-made soap and poor-quality, unpleasant-smelling bars.

It soon became necessary to expand the firm's premises, and in 1887 Lever purchased fifty-six acres of land upon which he set up a new centre of manufacture. This was in the Wirral in Cheshire, near the banks of the River Mersey. Production at the new factory, which was called Port Sunlight, began in January 1889. Lever introduced a number of technical improvements in the production process, including the heating systems and the recovery of glycerine (which could later be sold) from the boiling process.

Like Sir Titus Salt of Saltaire before him, Lever believed it to be in the interest of the firm to house his workers in a high standard of building and comfort close to the factory.

By the early twentieth century he had created Port Sunlight Village, one of the earliest and certainly the most impressive housing estates, for his employees. Architecturally the estate is highly successful, being built from a variety of natural materials and vernacular styles by a number of distinguished architects, so preventing an overall architectural monotony. The comprehensive estate comprises, in addition to the factory and houses, a church, an art gallery, schools, a cottage hospital, library, bank, fire station, post office and shops, as well as an inn and working men's institute, both of which were later additions. In 1894 Lever \& Co. went public and soon was amalgamated with other soap firms. It was at its most successful high point by 1910.

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SUBJECT AREA: Ports and shipping

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Lithgow attended Glasgow Academy and then spent a year in Paris. In 1901 he commenced a shipyard apprenticeship with Russell \& Co., where his father, William Lithgow, was sole proprietor. For years Russell's had topped the Clyde tonnage output and more than once had been the world's leading yard. Along with his brother Henry, Lithgow in 1908 was appointed a director, and in a few years he was Chairman and the yard was renamed Lithgows Ltd. By the outbreak of the First World War the Lithgow brothers were recognized as good shipbuilders and astute businessmen. In 1914 he joined the Royal Artillery; he rose to the rank of major and served with distinction, but his skills in administration were recognized and he was recalled home to become Director of Merchant Shipbuilding when British shipping losses due to submarine attack became critical. This appointment set a pattern, with public duties becoming predominant and the day-to-day shipyard business being organized by his brother. During the interwar years, Lithgow served on many councils designed to generate work and expand British commercial interests. His public appointments were legion, but none was as controversial as his directorship of National Shipbuilders Security Ltd, formed to purchase and "sterilize" inefficient shipyards that were hindering recovery from the Depression. To this day opinions are divided on this issue, but it is beyond doubt that Lithgow believed in the task in hand and served unstintingly. During the Second World War he was Controller of Merchant Shipbuilding and Repairs and was one of the few civilians to be on the Board of Admiralty. On the cessation of hostilities, Lithgow devoted time to research boards and to the expansion of the Lithgow Group, which now included the massive Fairfield Shipyard as well as steel, marine engineering and other companies.

Throughout his life Lithgow worked for the Territorial Army, but he was also a devoted member of the Church of Scotland. He gave practical support to the lona Community, no doubt influenced by unbounded love of the West Highlands and Islands of Scotland.

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SUBJECT AREA: Architecture and building

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Mies van der Rohe was the son of a stonemason and his early constructional training came from his father. As a young man he gained experience of the modern school from study of the architecture of the earlier leaders, notably Peter Behrens, Hendrik Berlage and Frank Lloyd Wright. He commenced architectural practice in 1913 and soon after the First World War was establishing his own version of modern architecture. His building materials were always of the highest quality, of marble, stone, glass and, especially, steel. He stripped his designs of all extraneous decoration: more than any of his contemporaries he followed the theme of elegance, functionalism and an ascetic concentration on essentials. He believed that architectural design should not look backwards but should reflect the contemporary achievement of advanced technology in both its construction and the materials used, and he began early in his career to act upon these beliefs. Typical was his early concrete and glass office building of 1922, after which, more importantly, came his designs for the German Pavilion at the Barcelona Exposition of 1929. These designs included his famous Barcelona chair, made from chrome steel and leather in a geometrical design, one which has survived as a classic and is still in production. Another milestone was his Tugendhat House in Brno (1930), a long, low, rectilinear structure in glass and steel that set a pattern for many later buildings of this type. In 1930 Mies followed his colleagues as third Director of the Bauhaus, but due to the rise of National Socialism in Germany it was closed in 1933. He finally left Germany for the USA in 1937, and the following year he took up his post as Director of Architecture in Chicago at what is now known as the Illinois Institute of Technology and where he remained for twenty years. In America Mies van der Rohe continued to develop his work upon his original thesis. His buildings are always recognizable for their elegance, fine proportions, high-quality materials and clean, geometrical forms; nearly all are of glass and steel in rectangular shapes. The structure and design evolved according to the individual needs of each commission, and there were three fundamental types of design. One type was the single or grouped high-rise tower, built for apartments for the wealthy, as in his Lake Shore Drive Apartments in Chicago (1948–51), or for city-centre offices, as in his Seagram Building in New York (1954–8, with Philip Johnson) or his Chicago Federal Centre (1964). Another form was the long, low rectangle based upon the earlier Tugendhat House and seen again in the New National Gallery in Berlin (1965–8). Third, there were the grouped schemes when the commission called for buildings of varied purpose on a single, large site. Here Mies van der Rohe achieved a variety and interest in the different shapes and heights of buildings set out in spatial harmony of landscape. Some examples of this type of scheme were housing estates (Lafayette Park Housing Development in Detroit, 1955–6), while others were for educational, commercial or shopping requirements, as at the Toronto Dominion Centre (1963–9).

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SUBJECT AREA: Weapons and armour

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The son of an engineer, Szilard, after service in the Austro-Hungarian army during the First World War, studied electrical engineering at the University of Berlin. Obtaining his doctorate there in 1922, he joined the faculty and concentrated his studies on thermodynamics. He later began to develop an interest in nuclear physics, and in 1933, shortly after Hitler came to power, Szilard emigrated to Britain because of his Jewish heritage.

In 1934 he conceived the idea of a nuclear chain reaction through the breakdown of beryllium into helium and took out a British patent on it, but later realized that this process would not work. In 1937 he moved to the USA and continued his research at the University of Columbia, and the following year Hahn and Meitner discovered nuclear fission with uranium; this gave Szilard the breakthrough he needed. In 1939 he realized that a nuclear chain reaction could be produced through nuclear fission and that a weapon with many times the destructive power of the conventional high-explosive bomb could be produced. Only too aware of the progress being made by German nuclear scientists, he believed that it was essential that the USA should create an atomic bomb before Hitler. Consequently he drafted a letter to President Roosevelt that summer and, with two fellow Hungarian émigrés, persuaded Albert Einstein to sign it. The result was the setting up of the Uranium Committee.

It was not, however, until December 1941 that active steps began to be taken to produce such a weapon and it was a further nine months before the project was properly co-ordinated under the umbrella of the Manhattan Project. In the meantime, Szilard moved to join Enrico Fermi at the University of Chicago and it was here, at the end of 1942, in a squash court under the football stadium, that they successfully developed the world's first self-sustaining nuclear reactor. Szilard, who became an American citizen in 1943, continued to work on the Manhattan Project. In 1945, however, when the Western Allies began to believe that only the atomic bomb could bring the war against Japan to an end, Szilard and a number of other Manhattan Project scientists objected that it would be immoral to use it against populated targets.

Although he would continue to campaign against nuclear warfare for the rest of his life, Szilard now abandoned nuclear research. In 1946 he became Professor of Biophysics at the University of Chicago and devoted himself to experimental work on bacterial mutations and biochemical mechanisms, as well as theoretical research on ageing and memory.

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SUBJECT AREA: Architecture and building

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Robert Adam was a man of outstanding talent, immense energy dedicated to his profession, and of great originality, who utilized all sources of classical art from ancient Greece and Rome as well as from the Renaissance and Baroque eras in Italy. He was also a very practical exponent of neo-classicism and believed in using the latest techniques to produce fine craftsmanship.

Of particular interest to him was stucco, the material needed for elegant, finely crafted ceiling and wall designs. Stucco, though the Italian word for plaster, refers architecturally to a specific form of the material. Known as Stucco duro (hard plaster), its use and composition dates from the days of ancient Rome. Giovanni da Udine, a pupil of Raphael, having discovered some fine stucco antico in the ruins of the Palace of Titus in Rome, carried out extensive research during the Italian Renaissance in order to discover its precise composition; it was a mixture of powdered crystalline limestone (travertine), river sand, water and powdered white marble. The marble produced an exceptionally hard stucco when set, thereby differentiating it from plaster-work, and was a material fine enough to make delicate relief and statuary work possible.

In the 1770s Robert Adam's ceiling and wall designs were characterized by low-relief, delicate, classical forms. He and his brothers, who formed the firm of Adam Brothers, were interested in a stucco which would be especially fine grained and hard setting. A number of new products then appearing on the market were easier to handle than earlier ones. These included a stucco by Mr David Wark, patented in 1765, and another by a Swiss clergyman called Liardet in 1773; the Adam firm purchased both patents and obtained an Act of Parliament authorizing them to be the sole vendors and makers of this stucco, which they called "Adam's new invented patent stucco". More new versions appeared, among which was one by a Mr Johnson, who claimed it to be an improvement. The Adam Brothers, having paid a high price for their rights, took him to court. The case was decided in 1778 by Lord Mansfield, a fellow Scot and a patron (at Kenwood), who,

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SUBJECT AREA: Metallurgy

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Clerke, from Launde Abbey in Leicestershire, was involved in early experiments to smelt lead using coal fuel, which was believed to have been located on the Leicestershire-Derbyshire border. Concurrently, Lord Grandison was financing experiments at Bristol for similar purposes, causing the downfall of an earlier unsuccessful patented method before securing his own patent in 1678. In that same year Clerke took over management of the Bristol works, claiming the ability to secure financial return from Grandison's methods. Financial success proved elusive, although the technical problems of adapting the reverberatory furnace to coal fuel appear to have been solved when Clerke was found to have established another lead works nearby on his own account. He was forced to cease work on lead in 1684 in respect of Grandison's patent rights. Clerke then turned to investigations into the coal-fired smelting of other metals and started to smelt copper in coal-fired reverberatory furnaces. By 1688–9 small supplied of merchantable copper were offered for sale in London in order to pay his workers, possibly because of further financial troubles. The practical success of his smelting innovation is widely acknowledged to have been the responsibility of John Coster and, to a smaller extent, Gabriel Wayne, both of whom left Clerke and set up separate works elsewhere. Clerke's son Talbot took over administration of his father's works, which declined still further and closed c. 1693, at about the time of Sir Clement's death. Both Coster and Wayne continued to develop smelting techniques, establishing a new British industry in the smelting of copper with coal.

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SUBJECT AREA: Metallurgy

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Although described as Commander of the Royal Navy, other personal details of Craufurd appear to be little known. His process for coating sheet iron with a protective layer of zinc, conveyed as a communication from abroad, was granted a patent in 1837. The details closely resembled, indeed are believed to have been based upon, those developed and patented in France in 1836 by Sorel, who had worked in collaboration with Ledru. There had been French interest in substituting zinc for tin as a coating for iron from 1742 with work by Malouin. Zinc-coated iron saucepans were produced in Rouen in the 1780s, but the work was later abandoned. Craufurd's patent directed that iron objects should be dipped into molten zinc, protected from volatilization by a layer of sal ammoniac (ammonium chloride, NH4Cl which also served as a flux. The quite misleading term "galvanizing" had already been introduced by Sorel for his process. Later its pro-tective properties were discovered to depend for effectiveness on the formation of a thin layer of zinc-iron alloy between the iron sheet and its zinc coating. Craufurd's patent was infringed in England soon after being granted, and was followed by several improvements, particularly those of Edmund Morewood, collaborating with George Rogers in five patents, of which four referred to methods of corrugation. The resulting production of zinc-coated iron implements, together with corrugated iron sheeting quickly adopted for building purposes, developed into an important industry of the West Midlands, Bristol, London and other parts of Britain.

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SUBJECT AREA: Metallurgy

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A descendant of Nuremberg nobility, Ebener became recognized as a statesman in his native city and was employed also by foreign dignitaries. His appointment as Privy Councillor to the Dukes of Brunswick involved him in mining and metallurgical affairs at the great Rammelsberg mixed-ore mine at Goslar in the Harz mountains. About 1550, at Rammelsberg, Ebener is believed to have made brass by incorporating accretions of zinc formed in crevices of local lead-smelting furnaces. This small-scale production of impure zinc, formerly discarded as waste, could be used to replace calamine, the carbonate ore of zinc, which by tradition had been combined with copper in European brassmaking. Ercker, writing in 1574, mentions the accretions at Goslar obtained by removing furnace sections to make this material available for brass. The true nature of the zinc ore, calamine, and zinc metal compared with these accretions was determined only much later, but variation in quality with respect to impurities made the material most suitable for cast brassware rather than beaten goods. As quantities were small and much valued, distribution from Goslar was limited, not normally reaching Britain, where production of brasses continued to rely on calamine or expensive zinc imports from the East. Rammelsberg profited from the waste material accumulating over the years and its use at Bundheim brassworks east of Goslar. Ebener partnered Duke Henry the Younger of Brunswick in financing a new drainage adit at Rammelsberg, and was later granted several iron mines and smelting works. From 1556 he was granted rights to market calamine from the Lower Harz and copper sulphate from Rammelsberg. Ebener later had an important role at the court of Duke Julius, son of Henry, advising him on the founding of Helmstedt University.

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SUBJECT AREA: Ports and shipping

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The early life of Fulton is documented sparsely; however, it is clear that he was brought up in poor circumstances along with three sisters and one brother by a widowed mother. The War of Independence was raging around them for some years, but despite this it is believed that he spent some time learning the jeweller's trade in Philadelphia and had by then made a name for himself as a miniaturist. Throughout his life he remained skilled with his hands and well able to record technical detail on paper. He witnessed many of the early trials of American steamboats and saw the work of William Henry and John Fitch, and in 1787 he set off for the first time to Europe. For some years he examined steamships in Paris and without doubt saw the Charlotte Dundas on the Forth and Clyde Canal near Glasgow. In 1803 he built a steamship that ran on the Seine at 4 1/2 mph (7.25 km/h), and when it was lost, another to replace it. All his designs were based on principles that had been tried and proved elsewhere, and in this respect he was more of a developer than an inventor. After some time experimenting with submersibles and torpedoes for the British and French governments, in 1806 he returned to the United States. In 1807 he took delivery of the 100 ton displacement paddle steamer Clermont from the yard of Charles Browne of East River, New York. In August of that year it started the passenger services on the Hudson River and this can be claimed as the commencement of world passenger steam navigation. Again the ship was traditional in shape and the machinery was supplied by Messrs Boulton and Watt. This was followed by other ships, including Car of Neptune, Paragon and the world's first steam warship, Demolgos, launched in New York in October 1814 and designed by Fulton for coastal defence and the breaking of the British blockade. His last and finest boat was named Chancellor Livingston after his friend and patron Robert Livingston (1746–1813); the timber hull was launched in 1816, some months after Fulton's death.

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SUBJECT AREA: Domestic appliances and interiors, Metallurgy

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Gillette's formal education in Chicago was brought to an end when a disastrous fire destroyed all his father's possessions. Forced to fend for himself, he worked first in the hardware trade in Chicago and New York, then as a travelling salesman. Gillette inherited the family talent for invention, but found that his successful inventions barely paid for those that failed. He was advised by a previous employer, William Painter (inventor of the Crown Cork), to look around for something that could be used widely and then thrown away. In 1895 he succeeded in following that advice of inventing something which people could use and then throw away, so that they would keep coming back for more. An idea came to him while he was honing an old-fashioned razor one morning; he was struck by the fact that only a short piece of the whole length of a cutthroat razor is actually used for shaving, as well as by the potentially dangerous nature of the implement. He "rushed out to purchase some pieces of brass, some steel ribbon used for clock springs, a small hand vise and some files". He thought of using a thin steel blade sharpened on each side, placed between two plates and held firmly together by a handle. Though coming from a family of inventors, Gillette had no formal technical education and was entirely ignorant of metallurgy. For six years he sought a way of making a cheap blade from sheet steel that could be hardened, tempered and sharpened to a keen edge.

Gillette eventually found financial supporters: Henry Sachs, a Boston lamp manufacturer; his brother-in-law Jacob Heilbron; and William Nickerson, who had a considerable talent for invention. By skilled trial and error rather than expert metallurgical knowledge, Nickerson devised ways of forming and sharpening the blades, and it was these that brought commercial success. In 1901, the American Safety Razor Company, later to be renamed the Gillette Safety Razor Company, was set up. When it started production in 1903 the company was badly in debt, and managed to sell only fifty-one razors and 168 blades; but by the end of the following year, 90,000 razors and 12.4 million blades had been sold. A sound invention coupled with shrewd promotion ensured further success, and eight plants manufacturing safety razors were established in various parts of the world. Gillette's business experiences led him into the realms of social theory about the way society should be organized. He formulated his views in a series of books published over the years 1894 to 1910. He believed that competition led to a waste of up to 90 per cent of human effort and that want and crime would be eliminated by substituting a giant trust to plan production centrally. Unfortunately, the public in America, or anywhere else for that matter, were not ready for this form of Utopia; no omniscient planners were available, and human wants and needs were too various to be supplied by a single agency. Even so, some of his ideas have found favour: air conditioning and government provision of work for the unemployed. Gillette made a fortune from his invention and retired from active participation in the business in 1913, although he remained President until 1931 and Director until his death.

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SUBJECT AREA: Horology

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Le Roy was born into a distinguished horological family: his father, Julien, was Clockmaker to the King. Pierre became Master in 1737 and continued to work with his father, taking over the business when his father died in 1759. However, he seems to have left the commercial side of the business to others so that he could concentrate on developing the marine chronometer. Unlike John Harrison, he believed that the solution lay in detaching the escapement from the balance, and in 1748 he submitted a proposal for the first detached escapement to the Académie des Sciences in Paris. He also differed from Harrison in his method of temperature compensation, which acted directly on the balance by altering its radius of gyration. This was achieved either by mounting thermometers on the balance or by using bimetallic strips which effectively reduced the diameter of the balance as the temperature rose (with refinements, this later became the standard method of temperature compensation in watches and chronometers). Le Roy had already discovered that for every spiral balance spring there was a particular length at which it would be isochronous, and this method of temperature compensation did not destroy that isochronism by altering the length, as other methods did. These innovations were incorporated in a chronometer with an improved detached escapement which he presented to Louis XV in 1766 and described in a memoir to the Académie des Sciences. This instrument contained the three essential elements of all subsequent chronometers: an isochronous balance spring, a detached escapement and a balance with temperature compensation. Its performance was similar to that of Harrison's fourth timepiece, and Le Roy was awarded prizes by the Académie des Sciences for the chronometer and for his memoir. However, his work was never fully appreciated in France, where he was over-shadowed by his rival Ferdinand Berthoud. When Berthoud was awarded the coveted title of Horloger de la Marine, Le Roy became disillusioned and shortly afterwards gave up chronometry and retired to the country.

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SUBJECT AREA: Metallurgy

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After leaving school before the age of 14 Neilson followed his father in tending colliery-steam engines. He continued in this line while apprenticed to his elder brother and afterwards rose to engine-wright at Irvine colliery. That failed and Neilson obtained work as Foreman at the first gasworks to be set up in Glasgow. After five years he became Manager and Engineer to the works, remaining there for thirty years. He introduced a number of improvements into gas manufacture, such as the use of clay retorts, iron sulphate as a purifier and the swallow-tail burner. He had meanwhile benefited from studying physics and chemistry at the Andersonian University in Glasgow.

Neilson is best known for introducing hot blast into ironmaking. At that time, ironmasters believed that cold blast produced the best results, since furnaces seemed to make more and better iron in the winter than the summer. Neilson found that by leading the air blast through an iron chamber heated by a coal fire beneath it, much less fuel was needed to convert the iron ore to iron. He secured a patent in 1828 and managed to persuade Clyde Ironworks in Glasgow to try out the device. The results were immediately favourable, and the use of hot blast spread rapidly throughout the country and abroad. The equipment was improved, raising the blast temperature to around 300°C (572°F), reducing the amount of coal, which was converted into coke, required to produce a tonne of iron from 10 tonnes to about 3. Neilson entered into a partnership with Charles Macintosh and others to patent and promote the process. Successive, and successful, lawsuits against those who infringed the patent demonstrates the general eagerness to adopt hot blast. Beneficial though it was, the process did not become really satisfactory until the introduction of hot-blast stoves by E.A. Cowper in 1857.

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SUBJECT AREA: Ports and shipping

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For a man who contributed much to the history of shipbuilding in Britain, surprisingly little is known of his life and times. The family are reputedly descendants of Danish or Norwegian shipbuilders who emigrated to England around the late seventeenth century. It is known, however, that Marmaduke was the fourth child of his father, Hugh Stalkartt, but the second child of Hugh's second wife.

Stalkartt is believed to have served an apprenticeship at the Naval Yard at Deptford on the Thames. He had advanced sufficiently by 1796 for the Admiralty to send him to India to establish shipyards dedicated to the construction of men-of-war in teak. The worsening supply of oak from England, and to a lesser extent Scotland, coupled with the war with France was making ship procurement one of the great concerns of the time. The ready supply of hardwoods from the subcontinent was a serious attempt to overcome this problem. For some years one of the shipyards in Calcutta was known as Stalkartt's Yard and this gives some credence to the belief that Stalkartt left the Navy while overseas and started his own shipbuilding organization.

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