steam developer

- steam admission

- back steam

- bleeding steam

- blow off the steam

- steam boat

- steam box

- steam capacity

- steam сase

- steam chamber

- steam сhest

- steam circle

- steam consumption

- cutting off steam

- dead steam

- density of steam

- steam developer

- steam discharge

- steam dome

- steam drum

- dry steam

- steam engine

- steam escape

- escaping steam

- exhaust steam

- steam expansion

- feather of steam

- steam flow-meter

- steam gauge

- steam generation

- get up the steam

- gland steam

- steam header

- steam into

- steam is down

- steam jacket

- steam jet

- steam jet sprayer

- keep the steam

- steam liberation

- live steam

- steam log

- steam navigation

- steam off!

- steam output

- overheated steam

- steam piping

- steam plume

- steam pocket

- steam port

- prepare steam

- steam production

- steam radiation

- rise steam

- steam receiver

- steam return line

- saturated steam

- shot off steam

- steam space

- superheated steam

- steam supply

- throttle steam

- steam tight

- top steam

- steam trap

- waste steam

- steam way

- wet steam

- steam whistle

1) Naval: steam developer

2) Oil: steam generator

3) Makarov: boiler

SUBJECT AREA: Steam and internal combustion engines

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When Arthur Woolf left the Griffin Brewery, London, in October 1808, he formed a partnership with Humphrey Edwards, described as a millwright at Mill Street, Lambeth, where they started an engine works to build Woolf's type of compound engine. A number of small engines were constructed and other ordinary engines modified with the addition of a high-pressure cylinder. Improvements were made in each succeeding engine, and by 1811 a standard form had been evolved. During this experimental period, engines were made with cylinders side by side as well as the more usual layout with one behind the other. The valve gear and other details were also improved. Steam pressure may have been around 40 psi (2.8 kg/cm²). In an advertisement of February 1811, the partners claimed that their engines had been brought to such a state of perfection that they consumed only half the quantity of coal required for engines on the plan of Messrs Boulton \& Watt. Woolf visited Cornwall, where he realized that more potential for his engines lay there than in London; in May 1811 the partnership was dissolved, with Woolf returning to his home county. Edwards struggled on alone in London for a while, but when he saw a more promising future for the engine in France he moved to Paris. On 25 May 1815 he obtained a French patent, a Brevet d'importation, for ten years. A report in 1817 shows that during the previous two years he had imported into France fifteen engines of different sizes which were at work in eight places in various parts of the country. He licensed a mining company in the north of France to make twenty-five engines for winding coal. In France there was always much more interest in rotative engines than pumping ones. Edwards may have formed a partnership with Goupil \& Cie, Dampierre, to build engines, but this is uncertain. He became a member of the firm Scipion, Perrier, Edwards \& Chappert, which took over the Chaillot Foundry of the Perrier Frères in Paris, and it seems that Edwards continued to build steam engines there for the rest of his life. In 1824 it was claimed that he had made about 100 engines in England and another 200 in France, but this is probably an exaggeration.

The Woolf engine acquired its popularity in France because its compound design was more economical than the single-cylinder type. To enable it to be operated safely, Edwards first modified Woolf s cast-iron boiler in 1815 by placing two small drums over the fire, and then in 1825 replaced the cast iron with wrought iron. The modified boiler was eventually brought back to England in the 1850s as the "French" or "elephant" boiler.

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SUBJECT AREA: Steam and internal combustion engines

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After leaving school in 1902, he went to the Ecole Polytechnique, Zurich, leaving in 1906 with an engineering diploma. He then spent a year with Professor A.Stodola, working on steam engines, turbines and internal combustion engines. He also conducted research in the strength of materials. After this, he spent two years as Research and Design Engineer at the Nuremberg works of Maschinenfabrik Augsburg-Nürnberg. He came to England in 1909 to join the British Westinghouse Co. Ltd in Manchester, and by 1912 was Chief Engineer of the Engine Department of that firm. The firm later became the Metropolitan-Vickers Electrical Co. Ltd (MV), and Baumann rose from Chief Mechanical Engineer through to, by 1929, Special Director and Member of the Executive Management Board; he remained a director until his retirement in 1949.

For much of his career, Baumann was in the forefront of power station steam-cycle development, pioneering increased turbine entry pressures and temperatures, in 1916 introducing multi-stage regenerative feed-water heating and the Baumann turbine multi-exhaust. His 105 MW set for Battersea "A" station (1933) was for many years the largest single-axis unit in Europe. From 1938 on, he and his team were responsible for the first axial-flow aircraft propulsion gas turbines to fly in England, and jet engines in the 1990s owe much to the "Beryl" and "Sapphire" engines produced by MV. In particular, the design of the compressor for the Sapphire engine later became the basis for Rolls-Royce units, after an exchange of information between that company and Armstrong-Siddeley, who had previously taken over the aircraft engine work of MV.Further, the Beryl engine formed the basis of "Gatric", the first marine gas turbine propulsion engine.

Baumann was elected to full membership for the Institution of Mechanical Engineers in 1929 and a year later was awarded the Thomas Hawksley Gold Medal by that body, followed by their James Clayton Prize in 1948: in the same year he became the thirty-fifth Thomas Hawksley lecturer. Many of his ideas and introductions have stood the test of time, being based on his deep and wide understanding of fundamentals.

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: Electricity, Ports and shipping

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The youngest son of the Earl of Rosse, he came from a family well known in scientific circles, the six boys growing up in an intellectual atmosphere at Birr Castle, the ancestral home in Ireland, where a forge and large workshop were available to them. Charles, like his brothers, did not go to school but was educated by private tutors of the character of Sir Robert Ball, this type of education being interspersed with overseas holiday trips to France, Holland, Belgium and Spain in the family yacht. In 1871, at the age of 17, he went to Trinity College, Dublin, and after two years he went on to St John's College, Cambridge. This was before the Engineering School had opened, and Parsons studied mechanics and mathematics.

In 1877 he was apprenticed to W.G.Armstrong \& Co. of Elswick, where he stayed for four years, developing an epicycloidal engine that he had designed while at Cambridge. He then moved to Kitson \& Co. of Leeds, where he went half shares in a small experimental shop working on rocket propulsion for torpedoes.

In 1887 he married Katherine Bethell, who contracted rheumatic fever from early-morning outdoor vigils with her husband to watch his torpedo experiments while on their honeymoon! He then moved to a partnership in Clarke, Chapman \& Co. at Gateshead. There he joined the electrical department, initially working on the development of a small, steam-driven marine lighting set. This involved the development of either a low-speed dynamo, for direct coupling to a reciprocating engine, or a high-speed engine, and it was this requirement that started Parsons on the track of the steam turbine. This entailed many problems such as the running of shafts at speeds of up to 40,000 rpm and the design of a DC generator for 18,000 rpm. He took out patents for both the turbine and the generator on 23 April 1884. In 1888 he dissolved his partnership with Clarke, Chapman \& Co. to set up his own firm in Newcastle, leaving his patents with the company's owners. This denied him the use of the axial-flow turbine, so Parsons then designed a radial-flow layout; he later bought back his patents from Clarke, Chapman \& Co. His original patent had included the use of the steam turbine as a means of marine propulsion, and Parsons now set about realizing this possibility. He experimented with 2 ft (61 cm) and 6 ft (183 cm) long models, towed with a fishing line or, later, driven by a twisted rubber cord, through a single-reduction set of spiral gearing.

The first trials of the Turbinia took place in 1894 but were disappointing due to cavitation, a little-understood phenomenon at the time. He used an axial-flow turbine of 2,000 shp running at 2,000 rpm. His work resulted in a far greater understanding of the phenomenon of cavitation than had hitherto existed. Land turbines of up to 350 kW (470 hp) had meanwhile been built. Experiments with the Turbinia culminated in a demonstration which took place at the great Naval Review of 1897 at Spithead, held to celebrate Queen Victoria's Diamond Jubilee. Here, the little Turbinia darted in and out of the lines of heavy warships and destroyers, attaining the unheard of speed of 34.5 knots. The following year the Admiralty placed their first order for a turbine-driven ship, and passenger vessels started operation soon after, the first in 1901. By 1906 the Admiralty had moved over to use turbines exclusively. These early turbines had almost all been direct-coupled to the ship's propeller shaft. For optimum performance of both turbine and propeller, Parsons realized that some form of reduction gearing was necessary, which would have to be extremely accurate because of the speeds involved. Parsons's Creep Mechanism of 1912 ensured that any errors in the master wheel would be distributed evenly around the wheel being cut.

Parsons was also involved in optical work and had a controlling interest in the firm of Ross Ltd of London and, later, in Sir Howard Grubb \& Sons. He he was an enlightened employer, originating share schemes and other benefits for his employees.

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1) Компьютерная техника: Apple Service Diagnostic, Application Specific Discretes, Application Structure Description, Automatic Skip Driver

2) Авиация: accelerate stop distance, airline service data collection, auto shut down

3) Медицина: amniotic sac diameter, atrial septal defect, arterial sclerotic disease (атеросклеротическое поражение сосудов), acute stress disorder

4) Американизм: (NII) Assistant Secretary of Defense (National Information Infrastructure)

5) Военный термин: AWIS Software Development, Advanced Scenario Design, Advanced Systems Department, Air South Europe Directive, Air-worthiness Substantiation Document, Ammunition Storage Depot, Armament Supply Department, Armament Systems Division, Army shipping document, Army supply deport, Assigned Software Developer, Assigned Systems Developer, Assistant Secretary of Defense, Assistant Secretary of Defense, Administration, Assistant Secretary of Defense, Atomic Energy, Assistant Secretary of Defense, Civil ASTSECAF, Assistant Secretary of Air Force, Assistant Secretary of Defense, Civil Defense, Assistant Secretary of Defense, Command, Control, Communications and Intelligence, Assistant Secretary of Defense, Comptroller, Assistant Secretary of Defense, Health Affairs, Assistant Secretary of Defense, Health and Environment, Assistant Secretary of Defense, Installations and Logistics, Assistant Secretary of Defense, Intelligence, Assistant Secretary of Defense, Intelligence, Telecommunications, Command and Control, Assistant Secretary of Defense, International Security Affairs, Assistant Secretary of Defense, International Security Policy, Assistant Secretary of Defense, Legislative Affairs, Assistant Secretary of Defense, Management and Finance, Assistant Secretary of Defense, Manpower, Assistant Secretary of Defense, Properties and Installations, Assistant Secretary of Defense, Public Affairs, Assistant Secretary of Defense, Research and Advanced Technology, Assistant Secretary of Defense, Research and Development, Assistant Secretary of Defense, Research and Engineering, Assistant Secretary of Defense, Supply and Logistics, Assistant Secretary of Defense, Systems Analysis, Assistant Secretary of Defense, Telecommunications, Assistant secretary of Defense, Manpower and Reserve Affairs, Assistant secretary of Defense, Manpower, Personnel, and Reserves, Assistant secretary of Defense, Manpower, Reserve Affairs and Logistics, Automatic Shut Down, administrative survey detachment, advanced submarine detection, advanced supply depot, advanced surveillance drone, aerospace defense, air support director, air surveillance drone, aircraft statistical data, ammunition subdepot, ammunition supply depot, antisatellite defense, area support detachment, arm/safe device, artillery spotting division, assignment selection date, audio simulation device, aviation service date, aviation supply depot, ПМО, помощник министра обороны, (C4I) Assistant Secretary of Defense (Command, Control, Communications, Computers and Intelligence), (ISA) Assistant Secretary of Defense for International Security Affairs, (S&R) Assistant Secretary of Defense for Strategy and Requirements, (SO/LIC) Assistant Secretary of Defense for Special Operations and Low Intensity Conflict, (HA) Assistant Secretary of Defense for Health Affairs, (MRA&L) Assistant Secretary of Defense for Manpower, Reserve Affairs, and Logistics, (NII) Assistant Secretary of Defense, Networks & Information Integration, (PA&E) Assistant Secretary of Defense for Program Analysis and Evaluation

6) Техника: Ancient Steel Design, acceleration spectral density, adjustable speed drive, advanced sensor demonstration, air situation display, atmospheric steam dump, automatic synchronized discriminator, конструирование с учётом допускаемых напряжений (Allowable Stress Design)

7) Шутливое выражение: Agonizingly Slow and Determined

8) Метеорология: Another Sunny Day

9) Автомобильный термин: automatic shutdown relay

10) Ветеринария: Action for Singapore Dogs

11) Телекоммуникации: Alternative Service Delivery

12) Сокращение: Advanced System Development, Aeronautical Systems Division (Now known as Aeronautical Systems Center (USAF)), Air Space Devices, Alternative Service Delivery (Canadian Air Command), Assistant Secretary of Defense, Health Affairs (USA; HA), Average Sortie Duration, Assistant Secretary of Defense (USA; C; Comptroller), Assistant Secretary of Defense (USA; PA; Public Affairs), структурная база данных приложения (Application Structure Database (Microsoft)), Нарушения аутистичного спектра (Autistic Spectrum Disorder)

13) Физика: Active Surface Definition

14) Физиология: Advanced Senility Disease, Anterior Segment Dysgenesis, Autism Spectrum Disorder, Autism Spectrum Disorders, Autistic Spectrum Disorder

15) Вычислительная техника: Architecture Summary Design

16) Транспорт: Aircraft Situation Display, Azimuth Stern Drive

17) Воздухоплавание: Aeronautical Systems Division

18) Фирменный знак: Accelerator Systems Division, Advanced Strategy Division

19) Деловая лексика: Authorized Solutions Developer

20) Образование: After School Detention

21) Сетевые технологии: automated software distribution, автоматизированное распространение программного обеспечения

22) Программирование: application-specific discretes

23) Автоматика: абсолютное снижение содержания серы (absolute sulphur reduction)

24) Химическое оружие: Assistant Secretary of Defense (for International Security Policy), (C3I) Assistant Secretary of Defense for Command, Control, Communications, and Intelligence, (ES) Assistant Secretary of Defense for Economic Security, Office of the Under Secretary of Defense for Acquisition and Technology, (PA&E) Assistant Secretary of Defense for Program Analysis and Evaluation, (S&TR) Assistant Secretary of Defense for Strategy and Threat Reduction

25) Расширение файла: Astound Presentation file, Lotus 1-2-3 Screen Driver, Word for Windows AutoSave file, Application Structure Database (Microsoft), Automatic Skip Driver (Microsoft)

26) Имена и фамилии: Albert S Davis

27) Чат: A Silly Dementor, Alt Support Depression, Another Silly Disorder

28) NYSE. American Standard Companies, Inc., of Delaware

29) Хобби: American Society Of Dowsers

30) Базы данных: Action Semantic Description

1) Компьютерная техника: Apple Service Diagnostic, Application Specific Discretes, Application Structure Description, Automatic Skip Driver

2) Авиация: accelerate stop distance, airline service data collection, auto shut down

3) Медицина: amniotic sac diameter, atrial septal defect, arterial sclerotic disease (атеросклеротическое поражение сосудов), acute stress disorder

4) Американизм: (NII) Assistant Secretary of Defense (National Information Infrastructure)

5) Военный термин: AWIS Software Development, Advanced Scenario Design, Advanced Systems Department, Air South Europe Directive, Air-worthiness Substantiation Document, Ammunition Storage Depot, Armament Supply Department, Armament Systems Division, Army shipping document, Army supply deport, Assigned Software Developer, Assigned Systems Developer, Assistant Secretary of Defense, Assistant Secretary of Defense, Administration, Assistant Secretary of Defense, Atomic Energy, Assistant Secretary of Defense, Civil ASTSECAF, Assistant Secretary of Air Force, Assistant Secretary of Defense, Civil Defense, Assistant Secretary of Defense, Command, Control, Communications and Intelligence, Assistant Secretary of Defense, Comptroller, Assistant Secretary of Defense, Health Affairs, Assistant Secretary of Defense, Health and Environment, Assistant Secretary of Defense, Installations and Logistics, Assistant Secretary of Defense, Intelligence, Assistant Secretary of Defense, Intelligence, Telecommunications, Command and Control, Assistant Secretary of Defense, International Security Affairs, Assistant Secretary of Defense, International Security Policy, Assistant Secretary of Defense, Legislative Affairs, Assistant Secretary of Defense, Management and Finance, Assistant Secretary of Defense, Manpower, Assistant Secretary of Defense, Properties and Installations, Assistant Secretary of Defense, Public Affairs, Assistant Secretary of Defense, Research and Advanced Technology, Assistant Secretary of Defense, Research and Development, Assistant Secretary of Defense, Research and Engineering, Assistant Secretary of Defense, Supply and Logistics, Assistant Secretary of Defense, Systems Analysis, Assistant Secretary of Defense, Telecommunications, Assistant secretary of Defense, Manpower and Reserve Affairs, Assistant secretary of Defense, Manpower, Personnel, and Reserves, Assistant secretary of Defense, Manpower, Reserve Affairs and Logistics, Automatic Shut Down, administrative survey detachment, advanced submarine detection, advanced supply depot, advanced surveillance drone, aerospace defense, air support director, air surveillance drone, aircraft statistical data, ammunition subdepot, ammunition supply depot, antisatellite defense, area support detachment, arm/safe device, artillery spotting division, assignment selection date, audio simulation device, aviation service date, aviation supply depot, ПМО, помощник министра обороны, (C4I) Assistant Secretary of Defense (Command, Control, Communications, Computers and Intelligence), (ISA) Assistant Secretary of Defense for International Security Affairs, (S&R) Assistant Secretary of Defense for Strategy and Requirements, (SO/LIC) Assistant Secretary of Defense for Special Operations and Low Intensity Conflict, (HA) Assistant Secretary of Defense for Health Affairs, (MRA&L) Assistant Secretary of Defense for Manpower, Reserve Affairs, and Logistics, (NII) Assistant Secretary of Defense, Networks & Information Integration, (PA&E) Assistant Secretary of Defense for Program Analysis and Evaluation

6) Техника: Ancient Steel Design, acceleration spectral density, adjustable speed drive, advanced sensor demonstration, air situation display, atmospheric steam dump, automatic synchronized discriminator, конструирование с учётом допускаемых напряжений (Allowable Stress Design)

7) Шутливое выражение: Agonizingly Slow and Determined

8) Метеорология: Another Sunny Day

9) Автомобильный термин: automatic shutdown relay

10) Ветеринария: Action for Singapore Dogs

11) Телекоммуникации: Alternative Service Delivery

12) Сокращение: Advanced System Development, Aeronautical Systems Division (Now known as Aeronautical Systems Center (USAF)), Air Space Devices, Alternative Service Delivery (Canadian Air Command), Assistant Secretary of Defense, Health Affairs (USA; HA), Average Sortie Duration, Assistant Secretary of Defense (USA; C; Comptroller), Assistant Secretary of Defense (USA; PA; Public Affairs), структурная база данных приложения (Application Structure Database (Microsoft)), Нарушения аутистичного спектра (Autistic Spectrum Disorder)

13) Физика: Active Surface Definition

14) Физиология: Advanced Senility Disease, Anterior Segment Dysgenesis, Autism Spectrum Disorder, Autism Spectrum Disorders, Autistic Spectrum Disorder

15) Вычислительная техника: Architecture Summary Design

16) Транспорт: Aircraft Situation Display, Azimuth Stern Drive

17) Воздухоплавание: Aeronautical Systems Division

18) Фирменный знак: Accelerator Systems Division, Advanced Strategy Division

19) Деловая лексика: Authorized Solutions Developer

20) Образование: After School Detention

21) Сетевые технологии: automated software distribution, автоматизированное распространение программного обеспечения

22) Программирование: application-specific discretes

23) Автоматика: абсолютное снижение содержания серы (absolute sulphur reduction)

24) Химическое оружие: Assistant Secretary of Defense (for International Security Policy), (C3I) Assistant Secretary of Defense for Command, Control, Communications, and Intelligence, (ES) Assistant Secretary of Defense for Economic Security, Office of the Under Secretary of Defense for Acquisition and Technology, (PA&E) Assistant Secretary of Defense for Program Analysis and Evaluation, (S&TR) Assistant Secretary of Defense for Strategy and Threat Reduction

25) Расширение файла: Astound Presentation file, Lotus 1-2-3 Screen Driver, Word for Windows AutoSave file, Application Structure Database (Microsoft), Automatic Skip Driver (Microsoft)

26) Имена и фамилии: Albert S Davis

27) Чат: A Silly Dementor, Alt Support Depression, Another Silly Disorder

28) NYSE. American Standard Companies, Inc., of Delaware

29) Хобби: American Society Of Dowsers

30) Базы данных: Action Semantic Description

SUBJECT AREA: Automotive engineering, Land transport

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He was the son of an Irish immigrant farmer, William Ford, and the oldest son to survive of Mary Litogot; his mother died in 1876 with the birth of her sixth child. He went to the village school, and at the age of 16 he was apprenticed to Flower brothers' machine shop and then at the Drydock \& Engineering Works in Detroit. In 1882 he left to return to the family farm and spent some time working with a 1 1/2 hp steam engine doing odd jobs for the farming community at $3 per day. He was then employed as a demonstrator for Westinghouse steam engines. He met Clara Jane Bryant at New Year 1885 and they were married on 11 April 1888. Their only child, Edsel Bryant Ford, was born on 6 November 1893.

At that time Henry worked on steam engine repairs for the Edison Illuminating Company, where he became Chief Engineer. He became one of a group working to develop a "horseless carriage" in 1896 and in June completed his first vehicle, a "quadri cycle" with a two-cylinder engine. It was built in a brick shed, which had to be partially demolished to get the carriage out.

Ford became involved in motor racing, at which he was more successful than he was in starting a car-manufacturing company. Several early ventures failed, until the Ford Motor Company of 1903. By October 1908 they had started with production of the Model T. The first, of which over 15 million were built up to the end of its production in May 1927, came out with bought-out steel stampings and a planetary gearbox, and had a one-piece four-cylinder block with a bolt-on head. This was one of the most successful models built by Ford or any other motor manufacturer in the life of the motor car.

Interchangeability of components was an important element in Ford's philosophy. Ford was a pioneer in the use of vanadium steel for engine components. He adopted the principles of Frederick Taylor, the pioneer of time-and-motion study, and installed the world's first moving assembly line for the production of magnetos, started in 1913. He installed blast furnaces at the factory to make his own steel, and he also promoted research and the cultivation of the soya bean, from which a plastic was derived.

In October 1913 he introduced the "Five Dollar Day", almost doubling the normal rate of pay. This was a profit-sharing scheme for his employees and contained an element of a reward for good behaviour. About this time he initiated work on an agricultural tractor, the "Fordson" made by a separate company, the directors of which were Henry and his son Edsel.

In 1915 he chartered the Oscar II, a "peace ship", and with fifty-five delegates sailed for Europe a week before Christmas, docking at Oslo. Their objective was to appeal to all European Heads of State to stop the war. He had hoped to persuade manufacturers to replace armaments with tractors in their production programmes. In the event, Ford took to his bed in the hotel with a chill, stayed there for five days and then sailed for New York and home. He did, however, continue to finance the peace activists who remained in Europe. Back in America, he stood for election to the US Senate but was defeated. He was probably the father of John Dahlinger, illegitimate son of Evangeline Dahlinger, a stenographer employed by the firm and on whom he lavished gifts of cars, clothes and properties. He became the owner of a weekly newspaper, the Dearborn Independent, which became the medium for the expression of many of his more unorthodox ideas. He was involved in a lawsuit with the Chicago Tribune in 1919, during which he was cross-examined on his knowledge of American history: he is reputed to have said "History is bunk". What he actually said was, "History is bunk as it is taught in schools", a very different comment. The lawyers who thus made a fool of him would have been surprised if they could have foreseen the force and energy that their actions were to release. For years Ford employed a team of specialists to scour America and Europe for furniture, artefacts and relics of all kinds, illustrating various aspects of history. Starting with the Wayside Inn from South Sudbury, Massachusetts, buildings were bought, dismantled and moved, to be reconstructed in Greenfield Village, near Dearborn. The courthouse where Abraham Lincoln had practised law and the Ohio bicycle shop where the Wright brothers built their first primitive aeroplane were added to the farmhouse where the proprietor, Henry Ford, had been born. Replicas were made of Independence Hall, Congress Hall and the old City Hall in Philadelphia, and even a reconstruction of Edison's Menlo Park laboratory was installed. The Henry Ford museum was officially opened on 21 October 1929, on the fiftieth anniversary of Edison's invention of the incandescent bulb, but it continued to be a primary preoccupation of the great American car maker until his death.

Henry Ford was also responsible for a number of aeronautical developments at the Ford Airport at Dearborn. He introduced the first use of radio to guide a commercial aircraft, the first regular airmail service in the United States. He also manufactured the country's first all-metal multi-engined plane, the Ford Tri-Motor.

Edsel became President of the Ford Motor Company on his father's resignation from that position on 30 December 1918. Following the end of production in May 1927 of the Model T, the replacement Model A was not in production for another six months. During this period Henry Ford, though officially retired from the presidency of the company, repeatedly interfered and countermanded the orders of his son, ostensibly the man in charge. Edsel, who died of stomach cancer at his home at Grosse Point, Detroit, on 26 May 1943, was the father of Henry Ford II. Henry Ford died at his home, "Fair Lane", four years after his son's death.

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bain [bɛ̃]

1. masculine noun

   a. (dans une baignoire) bath ; (dans une piscine, la mer) swim

• bain de boue mud bath

• bain de sang blood bath

• prendre un bain (dans une baignoire) to have a bath ; (dans la mer, une piscine) to have a swim

• tu seras vite dans le bain (inf) you'll soon get the hang of it (inf)

• se (re)mettre dans le bain (inf) to get (back) into the swing of things

   b. ( = liquide) bath

   c. ( = piscine) petit/grand bain shallow/deep end

• bains ( = lieu) baths

2. compounds

► bain de bouche

• faire des bains de bouche to rinse one's mouth out ► bain de foule walkabout

• prendre un bain de foule to go on a walkabout ► bain linguistique immersion

► bain moussant bubble bath

► bain de minuit midnight swim

► bain de pieds foot-bath

► bains publics public baths

► bain à remous whirlpool spa bath

► bain de soleil

• prendre un bain de soleil to sunbathe

• robe bain de soleil sun dress

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nom masculin

1) ( liquide) bath

2) ( baignade) swim

3) ( bassin)

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- bain de bouche

- bain de boue

- bain bouillonnant

- bain fixateur

- bain de foule

- bain de friture

- bain de jouvence

- bain de minuit

- bain à remous

- bain révélateur

- bain de sang

- bain de siège

- bain de soleil

- bain de teinture

- bain turc

- bain d'yeux

- bains de mer

••

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1) (dans une baignoire) bath

2) PHOTOGRAPHIE, TECHNIQUE bath

3) (dans la mer, une piscine) swim

4) fig

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bain nm

1 ( pour se laver) ( eau) bath; un bain moussant a bubble ou foam bath; prendre un bain to have GB ou take a bath; donner un bain à un enfant to give a child a bath, to bath GB ou bathe US a child; être dans son bain to be in the bath GB ou bathtub; je te fais couler un bain? shall I run you a bath?;

2 ( baignade) swim; après le bain after a swim; éviter les bains to avoid swimming;

3 ( bassin) grand bain deep end; petit bain ( séparé) children's GB ou baby pool; ( dans le grand bassin) shallow end;

4 ( préparation liquide) bath;

5 fig un bain linguistique or de langue total immersion ¢ in a language.

bain de bouche ( produit) mouthwash; faire des bains de bouche to rinse one's mouth (out); bain de boue mudbath; bain bouillonnant whirlpool bath; bain fixateur fixing bath; bain de foule walkabout; prendre un bain de foule gén to mingle with the crowd; [personnalité] to go on a walkabout GB, to mingle with the crowd US; bain de friture cooking oil; à bain d'huile oil-immersed; bain de jouvence rejuvenating experience; bain de minuit midnight swim; prendre un bain de minuit to go for a midnight swim; faire des bains de pieds to soak one's feet; bain à remous Jacuzzi®; bain révélateur developing bath; bain de sable sand bath; bain de sang bloodbath; bain de siège Méd sitz bath; bain de soleil ( corsage) suntop; robe bain de soleil sun dress; prendre un bain de soleil to sunbathe; bain de teinture ( produit) dye; ( bac) vat of dye; bain turc Turkish bath; bain de vapeur steam bath; bain d'yeux ( produit) eyewash; faire des bains d'yeux to bathe one's eyes with eyewash; bains de mer sea bathing ¢; bains municipaux or publics public baths.

être dans le bain to be in the swing of things; se mettre/se remettre dans le bain to get/to get back into the swing of things; mettre qn dans le bain to implicate sb; ⇒ bébé.

[bɛ̃] nom masculin

1. [pour la toilette] bath, bathing

a. [s'y connaître] to be in the swing of things

b. [être compromis] to be in it up to one's neck

a. [l'initier] to put somebody in the picture

b. [le compromettre] to drag somebody into it

2. [baignoire] bath (UK), bathtub (US)

3. LOISIRS & SPORT [activité] bathing, swimming

4. [bassin]

a. [bassin] big pool

b. [côté] deep end

a. [bassin] children's pool

b. [côté] shallow end

5. (figuré) [immersion]

6. [substance pour trempage] bath

[cuve] vat

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bains nom masculin pluriel

[établissement] baths

bains turcs Turkish baths

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de bain locution adjectivale

[sels, serviette] bath (modificateur)

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: Agricultural and food technology

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John Ridley was a preacher in his youth, and then became a mill owner before migrating to Australia with his wife and daughters in 1839. Intending to continue his business in the new colony, he took with him a "Grasshopper" overbeam steam-engine made by James Watt, together with milling equipment. Cereal acreages were insufficient for the steam power he had available, and he expanded into saw milling as well as farming 300 acres. Aware of the Adelaide trials of reaping machines, he eventually built a prototype using the same principles as those developed by Wrathall Bull. After a successful trial in 1843 Ridley began the patent procedure in England, although he never completed the project. The agricultural press was highly enthusiastic about his machine, but when trials took place in 1855 the award went to a rival. The development of the stripper enabled a spectacular increase in the cereal acreage planted over the next decade. Ridley left Australia in 1853 and returned to England. He built a number of machines to his design in Leeds; however, these failed to perform in the much damper English climate. All of the machines were exported to South America, anticipating a substantial market to be exploited by Australian manufacturers.

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SUBJECT AREA: Ports and shipping

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Wallace was brought up just outside Glasgow, and educated at Paisley Grammar School and later at the Anderson College in Glasgow. The next few years were typical of the early years in the life of many young engineers: he served an apprenticeship at the Paisley shipyard of Bow, MacLachlan, before joining the British and Burmese Steam Navigation Company (Paddy Henderson's Line) as a junior engineer. After some years on the Glasgow to Rangoon service, he rose to the rank of Chief Engineer early in life and then came ashore in 1911.

He joined the old established Edinburgh engineering company of Brown Brothers as a draughtsman, but by 1917 had been promoted Managing Director. He was appointed Chairman in 1946. During his near thirty years at the helm, he experimented widely and was the engineering force behind the development of the Denny-Brown ship stabilizer which was jointly pursued by Brown Brothers and the Dumbarton shipyard of William Denny \& Brothers. The first important installation was on the cross-channel steamer Isle of Sark, built at Dumbarton for the Southern Railway in 1932. Over the years countless thousands of these installations have been fitted on liners, warships and luxury yachts. Brown Brothers produced many other important engineering innovations at this time, including the steam catapult for aircraft carriers.

In later years Sir William (now knighted) took an active part in the cultural life of Edinburgh and of Scotland. From 1952 to 1954 he served as President of the Institution of Engineers and Shipbuilders in Scotland.

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SUBJECT AREA: Architecture and building, Automotive engineering, Electricity, Electronics and information technology, Metallurgy, Photography, film and optics, Public utilities, Recording, Telecommunications

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He was the son of Samuel Edison, who was in the timber business. His schooling was delayed due to scarlet fever until 1855, when he was 8½ years old, but he was an avid reader. By the age of 14 he had a job as a newsboy on the railway from Port Huron to Detroit, a distance of sixty-three miles (101 km). He worked a fourteen-hour day with a stopover of five hours, which he spent in the Detroit Free Library. He also sold sweets on the train and, later, fruit and vegetables, and was soon making a profit of $20 a week. He then started two stores in Port Huron and used a spare freight car as a laboratory. He added a hand-printing press to produce 400 copies weekly of The Grand Trunk Herald, most of which he compiled and edited himself. He set himself to learn telegraphy from the station agent at Mount Clements, whose son he had saved from being run over by a freight car.

At the age of 16 he became a telegraphist at Port Huron. In 1863 he became railway telegraphist at the busy Stratford Junction of the Grand Trunk Railroad, arranging a clock with a notched wheel to give the hourly signal which was to prove that he was awake and at his post! He left hurriedly after failing to hold a train which was nearly involved in a head-on collision. He usually worked the night shift, allowing himself time for experiments during the day. His first invention was an arrangement of two Morse registers so that a high-speed input could be decoded at a slower speed. Moving from place to place he held many positions as a telegraphist. In Boston he invented an automatic vote recorder for Congress and patented it, but the idea was rejected. This was the first of a total of 1180 patents that he was to take out during his lifetime. After six years he resigned from the Western Union Company to devote all his time to invention, his next idea being an improved ticker-tape machine for stockbrokers. He developed a duplex telegraphy system, but this was turned down by the Western Union Company. He then moved to New York.

Edison found accommodation in the battery room of Law's Gold Reporting Company, sleeping in the cellar, and there his repair of a broken transmitter marked him as someone of special talents. His superior soon resigned, and he was promoted with a salary of $300 a month. Western Union paid him $40,000 for the sole rights on future improvements on the duplex telegraph, and he moved to Ward Street, Newark, New Jersey, where he employed a gathering of specialist engineers. Within a year, he married one of his employees, Mary Stilwell, when she was only 16: a daughter, Marion, was born in 1872, and two sons, Thomas and William, in 1876 and 1879, respectively.

He continued to work on the automatic telegraph, a device to send out messages faster than they could be tapped out by hand: that is, over fifty words per minute or so. An earlier machine by Alexander Bain worked at up to 400 words per minute, but was not good over long distances. Edison agreed to work on improving this feature of Bain's machine for the Automatic Telegraph Company (ATC) for $40,000. He improved it to a working speed of 500 words per minute and ran a test between Washington and New York. Hoping to sell their equipment to the Post Office in Britain, ATC sent Edison to England in 1873 to negotiate. A 500-word message was to be sent from Liverpool to London every half-hour for six hours, followed by tests on 2,200 miles (3,540 km) of cable at Greenwich. Only confused results were obtained due to induction in the cable, which lay coiled in a water tank. Edison returned to New York, where he worked on his quadruplex telegraph system, tests of which proved a success between New York and Albany in December 1874. Unfortunately, simultaneous negotiation with Western Union and ATC resulted in a lawsuit.

Alexander Graham Bell was granted a patent for a telephone in March 1876 while Edison was still working on the same idea. His improvements allowed the device to operate over a distance of hundreds of miles instead of only a few miles. Tests were carried out over the 106 miles (170 km) between New York and Philadelphia. Edison applied for a patent on the carbon-button transmitter in April 1877, Western Union agreeing to pay him $6,000 a year for the seventeen-year duration of the patent. In these years he was also working on the development of the electric lamp and on a duplicating machine which would make up to 3,000 copies from a stencil. In 1876–7 he moved from Newark to Menlo Park, twenty-four miles (39 km) from New York on the Pennsylvania Railway, near Elizabeth. He had bought a house there around which he built the premises that would become his "inventions factory". It was there that he began the use of his 200- page pocket notebooks, each of which lasted him about two weeks, so prolific were his ideas. When he died he left 3,400 of them filled with notes and sketches.

Late in 1877 he applied for a patent for a phonograph which was granted on 19 February 1878, and by the end of the year he had formed a company to manufacture this totally new product. At the time, Edison saw the device primarily as a business aid rather than for entertainment, rather as a dictating machine. In August 1878 he was granted a British patent. In July 1878 he tried to measure the heat from the solar corona at a solar eclipse viewed from Rawlins, Wyoming, but his "tasimeter" was too sensitive.

Probably his greatest achievement was "The Subdivision of the Electric Light" or the "glow bulb". He tried many materials for the filament before settling on carbon. He gave a demonstration of electric light by lighting up Menlo Park and inviting the public. Edison was, of course, faced with the problem of inventing and producing all the ancillaries which go to make up the electrical system of generation and distribution-meters, fuses, insulation, switches, cabling—even generators had to be designed and built; everything was new. He started a number of manufacturing companies to produce the various components needed.

In 1881 he built the world's largest generator, which weighed 27 tons, to light 1,200 lamps at the Paris Exhibition. It was later moved to England to be used in the world's first central power station with steam engine drive at Holborn Viaduct, London. In September 1882 he started up his Pearl Street Generating Station in New York, which led to a worldwide increase in the application of electric power, particularly for lighting. At the same time as these developments, he built a 1,300yd (1,190m) electric railway at Menlo Park.

On 9 August 1884 his wife died of typhoid. Using his telegraphic skills, he proposed to 19-year-old Mina Miller in Morse code while in the company of others on a train. He married her in February 1885 before buying a new house and estate at West Orange, New Jersey, building a new laboratory not far away in the Orange Valley.

Edison used direct current which was limited to around 250 volts. Alternating current was largely developed by George Westinghouse and Nicola Tesla, using transformers to step up the current to a higher voltage for long-distance transmission. The use of AC gradually overtook the Edison DC system.

In autumn 1888 he patented a form of cinephotography, the kinetoscope, obtaining film-stock from George Eastman. In 1893 he set up the first film studio, which was pivoted so as to catch the sun, with a hinged roof which could be raised. In 1894 kinetoscope parlours with "peep shows" were starting up in cities all over America. Competition came from the Latham Brothers with a screen-projection machine, which Edison answered with his "Vitascope", shown in New York in 1896. This showed pictures with accompanying sound, but there was some difficulty with synchronization. Edison also experimented with captions at this early date.

In 1880 he filed a patent for a magnetic ore separator, the first of nearly sixty. He bought up deposits of low-grade iron ore which had been developed in the north of New Jersey. The process was a commercial success until the discovery of iron-rich ore in Minnesota rendered it uneconomic and uncompetitive. In 1898 cement rock was discovered in New Village, west of West Orange. Edison bought the land and started cement manufacture, using kilns twice the normal length and using half as much fuel to heat them as the normal type of kiln. In 1893 he met Henry Ford, who was building his second car, at an Edison convention. This started him on the development of a battery for an electric car on which he made over 9,000 experiments. In 1903 he sold his patent for wireless telegraphy "for a song" to Guglielmo Marconi.

In 1910 Edison designed a prefabricated concrete house. In December 1914 fire destroyed three-quarters of the West Orange plant, but it was at once rebuilt, and with the threat of war Edison started to set up his own plants for making all the chemicals that he had previously been buying from Europe, such as carbolic acid, phenol, benzol, aniline dyes, etc. He was appointed President of the Navy Consulting Board, for whom, he said, he made some forty-five inventions, "but they were pigeonholed, every one of them". Thus did Edison find that the Navy did not take kindly to civilian interference.

In 1927 he started the Edison Botanic Research Company, founded with similar investment from Ford and Firestone with the object of finding a substitute for overseas-produced rubber. In the first year he tested no fewer than 3,327 possible plants, in the second year, over 1,400, eventually developing a variety of Golden Rod which grew to 14 ft (4.3 m) in height. However, all this effort and money was wasted, due to the discovery of synthetic rubber.

In October 1929 he was present at Henry Ford's opening of his Dearborn Museum to celebrate the fiftieth anniversary of the incandescent lamp, including a replica of the Menlo Park laboratory. He was awarded the Congressional Gold Medal and was elected to the American Academy of Sciences. He died in 1931 at his home, Glenmont; throughout the USA, lights were dimmed temporarily on the day of his funeral.

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SUBJECT AREA: Automotive engineering, Steam and internal combustion engines

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Otto's involvement in internal combustion engines was first prompted by his interest in Lenoir's coal-gas engine of 1860. He built his first engine in 1861; in 1864, Otto's engine came to the attention of Eugen Langen, who arranged for the capital to set up the world's first engine company, N.A.Otto and Company, in Cologne. In 1867 the Otto- Langen free-piston internal combustion engine was exhibited at the Paris Exposition, where it won the gold medal. The company continued to expand, and five years after the Paris triumph its name was changed to the Gasmotoren Fabrik; amongst Otto's colleagues at this time were Gottlieb Daimler and Wilhelm Maybach .

Otto is most famous for the development of the four-stroke cycle which was to bear his name. He patented his version of this in 1876, although the principle of the four-stroke cycle had been patented by Alphonse Beau de Rochas fourteen years previously; Otto was the first, however, to put the principle into practice with the "Otto Silent Engine". Many thousands of Otto fourstroke engines had already been built by 1886, when a German patent lawyer successfully claimed that Otto had infringed the Beau de Rochas patent, and Otto's patent was declared invalid.

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