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61 Heinkel, Ernst
[br]b. 24 January 1888 Grünbach, Remstal, Germanyd. 30 January 1958 Stuttgart, Germany[br]German aeroplane designer who was responsible for the first jet aeroplane to fly.[br]The son of a coppersmith, as a young man Ernst Heinkel was much affected by seeing the Zeppelin LZ 4 crash and burn out at Echterdringen, near Stuttgart. After studying engineering, in 1910 he designed his first aeroplane, but it crashed; he was more successful the following year when he made a flight in it, with an engine on hire from the Daimler company. After a period working for a firm near Munich and for LVG at Johannisthal, near Berlin, he moved to the Albatros Company of Berlin with a monthly salary of 425 marks. In May 1913 he moved to Lake Constance to work on the design of sea-planes and in May 1914 he moved again, this time to the Brandenburg Company, where he remained as a designer until 1922, when he founded his own company, Ernst Heinkel Flugzeugwerke. Following the First World War, German companies were not allowed to build military aircraft, which was frustrating for Heinkel whose main interest was high-speed aircraft. His sleek He 70 airliner, built for Lufthansa, was designed to carry four passengers at high speeds: indeed it broke many records in 1933. Lufthansa decided it needed a larger version capable of carrying ten passengers, so Heinkel produced his most famous aeroplane, the He 111. Although it was designed as a twin-engined airliner on the surface, secretly Heinkel was producing a bomber. The airliner version first flew on Lufthansa routes in 1936, and by 1939 almost 1,000 bombers were in service with the Luftwaffe. A larger four-engined bomber, the He 177, ran into development problems and it did not see service until late in the Second World War. Heinkel's quest for speed led to the He 176 rocket-powered research aeroplane which flew on 20 June 1939, but Hitler and Goering were not impressed. The He 178, with Dr Hans von Ohain's jet engine, made its historic first flight a few weeks later on 27 August 1939; this was almost two years before the maiden flight in Britain of the Gloster E 28/39, powered by Whittle's jet engine. This project was a private venture by Heinkel and was carried out in great secrecy, so the world's first jet aircraft went almost unnoticed. Heinkel's jet fighters, the He 280 and the He 162, were never fully operational. After the war, Heinkel in 1950 set up a new company which made bicycles, motor cycles and "bubble" cars.[br]Bibliography1956, He 1000, trans. M.Savill, London: Hutchinson (the English edition of his autobiography).Further ReadingJ.Stroud, 1966, European Transport Aircraft since 1910, London.Jane's Fighting Aircraft of World War II, London: Jane's; reprinted 1989.P. St J.Turner, 1970, Heinkel: An Aircraft Album, London.H.J.Nowarra, 1975, Heinkel und seine Flugzeuge, Munich (a comprehensive record of his aircraft).JDS / IMcN -
62 Issigonis, Sir Alexander Arnold Constantine (Alec)
[br]b. 18 November 1906 Smyrna (now Izmir), Turkeyd. 2 October 1988 Birmingham, England[br]British automobile designer whose work included the Morris Minor and the Mini series.[br]His father was of Greek descent but was a naturalized British subject in Turkey who ran a marine engineering business. After the First World War, the British in Turkey were evacuated by the Royal Navy, the Issigonis family among them. His father died en route in Malta, but the rest of the family arrived in England in 1922. Alec studied engineering at Battersea Polytechnic for three years and in 1928 was employed as a draughtsman by a firm of consulting engineers in Victoria Street who were working on a form of automatic transmission. He had occasion to travel frequently in the Midlands at this time and visited many factories in the automobile industry. He was offered a job in the drawing office at Humber and lived for a couple of years in Kenilworth. While there he met Robert Boyle, Chief Engineer of Morris Motors (see Morris, William Richard), who offered him a job at Cowley. There he worked at first on the design of independent front suspension. At Morris Motors, he designed the Morris Minor, which entered production in 1948 and continued to be manufactured until 1971. Issigonis disliked mergers, and after the merger of Morris with Austin to form the British Motor Corporation (BMC) he left to join Alvis in 1952. The car he designed there, a V8 saloon, was built as a prototype but was never put into production. Following his return to BMC to become Technical Director in 1955, his most celebrated design was the Mini series, which entered production in 1959. This was a radically new concept: it was unique for its combination of a transversely mounted engine in unit with the gearbox, front wheel drive and rubber suspension system. This suspension system, designed in cooperation with Alex Moulton, was also a fundamental innovation, developed from the system designed by Moulton for the earlier Alvis prototype. Issigonis remained as Technical Director of BMC until his retirement.[br]Further ReadingPeter King, 1989, The Motor Men. Pioneers of the British Motor Industry, London: Quiller Press.IMcNBiographical history of technology > Issigonis, Sir Alexander Arnold Constantine (Alec)
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63 Meritens, Baron Auguste de
[br]b. 1834d. 1898 Pontoise, France[br]French engineer who improved the design of magneto-electric generators successfully used for lighthouse illumination.[br]Founding the firm of Messrs A. de Meritens of Paris to build magneto-electric generators for electric arc lighting, de Meritens revised the arrangement of the Holmes and Alliance machines. By employing a distributed rotor winding on laminated cores in place of individual bobbins, the wave-form was improved and a continuous output was achieved, as distinct from a series of short-duration pulses. The rotor windings were carried on the periphery of spoked wheels which revolved below the poles of stationary compound permanent magnets. These generators came to prominence in 1880; in France they quickly replaced the Alliance machines in lighthouses, and Trinity House also installed them in Britain. Two examples remained in continuous service at the Lizard lighthouse in Cornwall from 1881 to 1950, and one still survives there as an exhibit. Before being installed, this machine was shown at the Paris Electrical Exhibition of 1881. An electric candle invented by de Meritens was a variation on that of Jablochkoff and he is credited with being the first to suggest the use of a carbon electrode as one pole for electric-arc welding, with the metal to be welded serving as the other pole. Baron de Meritens died tragically in great poverty.[br]BibliographyApril 1878, French patent no. 123,766 (improved magneto-electric generator). 17 September 1878, British patent no. 3,658 (improved magneto-electric generator).Further ReadingEngineering (1878) 28:372 (a description of the original de Meritens machine).J.Hopkinson, 1886–7, Proceedings of the Institution of Civil Engineers 87(1):243–60 (a report on machines in service).GWBiographical history of technology > Meritens, Baron Auguste de
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64 Napier, David
SUBJECT AREA: Paper and printing[br]b. 1785 Scotlandd. 1873[br]Scottish engineer who devised printing machinery incorporating important improvements.[br]Born in Scotland, Napier moved to London to set up an engineering workshop in St Giles. In 1824 he was commissioned by Thomas Curson Hansard (1776–1833), who from 1803 began printing the debates in the Houses of Parliament, to make a perfecting press, i.e. one that printed on both sides of the paper. Known as the NayPeer, it was the first to incorporate grippers in order to improve register (the correct positioning of the paper on the inked type); the grippers took hold of a sheet of paper as it was fed on to the impression cylinder. Napier made several machines for Hansard, hand-powered at first but steam-powered from 1832. Napier did not patent the Nay-Peer, but in 1828 he took out a patent for a four-feeder press with a single impression cylinder, which had the then-usual "stop and start" action while the bed carrying the inked type passed to and fro beneath it. To speed output, two years later Napier patented a press with two cylinders revolving in the same direction in place of the single-stop cylinder. Also in 1830, the firm of Napier and Son introduced an improved form of bed and platen press, which became the most popular of its kind; one remained in use at Oxford University Press into the twentieth century. Another invention of Napier's, in 1825, was an automatic inking device, with which turning the rounce or mechanism for moving the type bed under the platen activated inking rollers working on the type. Napier is credited with being the first to introduce the printing machine to Ireland, for the Dublin Evening Post. His cylinder machine was the first of its kind in North America, where it was seen by Hoe and others.[br]Further ReadingJ.Moran, 1973, PrintingPresses, London: Faber \& Faber (contains details of Napier's printing machines).LRD -
65 Noyce, Robert
SUBJECT AREA: Electronics and information technology[br]b. 12 December 1927 Burlington, Iowa, USA[br]American engineer responsible for the development of integrated circuits and the microprocessor chip.[br]Noyce was the son of a Congregational minister whose family, after a number of moves, finally settled in Grinnell, some 50 miles (80 km) east of Des Moines, Iowa. Encouraged to follow his interest in science, in his teens he worked as a baby-sitter and mower of lawns to earn money for his hobby. One of his clients was Professor of Physics at Grinnell College, where Noyce enrolled to study mathematics and physics and eventually gained a top-grade BA. It was while there that he learned of the invention of the transistor by the team at Bell Laboratories, which included John Bardeen, a former fellow student of his professor. After taking a PhD in physical electronics at the Massachusetts Institute of Technology in 1953, he joined the Philco Corporation in Philadelphia to work on the development of transistors. Then in January 1956 he accepted an invitation from William Shockley, another of the Bell transistor team, to join the newly formed Shockley Transistor Company, the first electronic firm to set up shop in Palo Alto, California, in what later became known as "Silicon Valley".From the start things at the company did not go well and eventually Noyce and Gordon Moore and six colleagues decided to offer themselves as a complete development team; with the aid of the Fairchild Camera and Instrument Company, the Fairchild Semiconductor Corporation was born. It was there that in 1958, contemporaneously with Jack K. Wilby at Texas Instruments, Noyce had the idea for monolithic integration of transistor circuits. Eventually, after extended patent litigation involving study of laboratory notebooks and careful examination of the original claims, priority was assigned to Noyce. The invention was most timely. The Apollo Moon-landing programme announced by President Kennedy in May 1961 called for lightweight sophisticated navigation and control computer systems, which could only be met by the rapid development of the new technology, and Fairchild was well placed to deliver the micrologic chips required by NASA.In 1968 the founders sold Fairchild Semicon-ductors to the parent company. Noyce and Moore promptly found new backers and set up the Intel Corporation, primarily to make high-density memory chips. The first product was a 1,024-bit random access memory (1 K RAM) and by 1973 sales had reached $60 million. However, Noyce and Moore had already realized that it was possible to make a complete microcomputer by putting all the logic needed to go with the memory chip(s) on a single integrated circuit (1C) chip in the form of a general purpose central processing unit (CPU). By 1971 they had produced the Intel 4004 microprocessor, which sold for US$200, and within a year the 8008 followed. The personal computer (PC) revolution had begun! Noyce eventually left Intel, but he remained active in microchip technology and subsequently founded Sematech Inc.[br]Principal Honours and DistinctionsFranklin Institute Stuart Ballantine Medal 1966. National Academy of Engineering 1969. National Academy of Science. Institute of Electrical and Electronics Engineers Medal of Honour 1978; Cledo Brunetti Award (jointly with Kilby) 1978. Institution of Electrical Engineers Faraday Medal 1979. National Medal of Science 1979. National Medal of Engineering 1987.Bibliography1955, "Base-widening punch-through", Proceedings of the American Physical Society.30 July 1959, US patent no. 2,981,877.Further ReadingT.R.Reid, 1985, Microchip: The Story of a Revolution and the Men Who Made It, London: Pan Books.KF -
66 Parkes, Alexander
[br]b. 29 December 1813 Birmingham, Englandd. 29 June 1890 West Dulwich, England[br]English chemist and inventor who made the first plastic material.[br]After serving apprentice to brassfounders in Birmingham, Parkes entered Elkington's, the celebrated metalworking firm, and took charge of their casting department. They were active in introducing electroplating and Parkes's first patent, of 1841, was for the electroplating of works of art. The electrodeposition of metals became a lifelong interest.Notably, he achieved the electroplating of fragile objects, such as flowers, which he patented in 1843. When Prince Albert visited Elkington's, he was presented with a spider's web coated with silver. Altogether, Parkes was granted sixty-six patents over a period of forty-six years, mainly relating to metallurgy.In 1841 he patented a process for waterproofing textiles by immersing them in a solution of indiarubber in carbon disulphide. Elkingtons manufactured such fabrics until they sold the process to Mackintosh Company, which continued making them for many years. While working for Elkingtons in south Wales, Parkes developed the use of zinc for desilvering lead. He obtained a patent in 1850 for this process, which was one of his most important inventions and became widely used.The year 1856 saw Parkes's first patent on pyroxylin, later called Xylonite or celluloid, the first plastic material. Articles made of Parkesine, as it came to be called, were shown at the International Exhibition in London in 1862, and he was awarded a medal for his work. Five years later, Parkesine featured at the Paris Exhibition. Even so, Parkes's efforts to promote the material commercially, particularly as a substitute for ivory, remained stubbornly unsuccessful.[br]Bibliography1850, British patent no. 13118 (the desilvering of lead). 1856, British patent no. 235 (the first on Parkesine).1865, Parkes gave an account of his invention of Parkesine in J.Roy.Arts, (1865), 14, 81–.Further ReadingObituary, 1890, Engineering, (25 July): 111.Obituary, 1890, Mining Journal (26 July): 855.LRD -
67 Poitevin, Alphonse Louise
[br]b. 1819 Conflans, Franced. 1882 Conflans, France[br]French chemical engineer who established the essential principles of photolithography, carbon printing and collotype printing.[br]Poitevin graduated as a chemical engineer from the Ecole Centrale in Paris in 1843. He was appointed as a chemist with the Salines National de l'Est, a post which allowed him time for research, and he soon became interested in the recent invention of photography. He conducted a series of electrolytic experiments on daguerreotype plates in 1847 and 1848 which led him to propose a method of photochemical engraving on plates coated with silver or gold. In 1850 he joined the firm of Periere in Lyons, and the same year travelled to Paris. During the 1850s, Poitevin conducted a series of far-reaching experiments on the reactions of chromates with light, and in 1855 he took out two important patents which exploited the light sensitivity of bichromated gelatine. Poitevin's work during this period is generally recognized as having established the essential principles of photolithography, carbon printing and collotype printing, key steps in the development of modern photomechanical printing. His contribution to the advancement of photography was widely recognized and honours were showered upon him. Particularly welcome was the greater part of the 10,000 franc prize awarded by the Duke of Lynes, a wealthy art lover, for the discovery of permanent photographic printing processes. This sum was not sufficient to allow Poitevin to stop working, however, and in 1869 he resumed his career as a chemical engineer, first managing a glass works and then travelling to Africa to work in silver mines. Upon the death of his father he returned to his home town, where he remained until his own death in 1882.[br]Principal Honours and DistinctionsChevalier de la Légion d'honneur 1865. Paris Exposition Internationale Gold Medal for Services to Photography, 1878.BibliographyDecember 1855, British patent nos 2,815, 2,816.Further ReadingG.Tissandiers, 1876, A History and Handbook of Photography, trans. J.Thomson. J.M.Eder, 1945, History of Photography, trans. E.Epstean, New York.H.Gernsheim and A.Gernsheim, 1969, The History of Photography, rev. edn, London.JWBiographical history of technology > Poitevin, Alphonse Louise
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68 Porter, Charles Talbot
SUBJECT AREA: Steam and internal combustion engines[br]b. 18 January 1826 Auburn, New York, USAd. 1910 USA[br]American inventor of a stone dressing machine, an improved centrifugal governor and a high-speed steam engine.[br]Porter graduated from Hamilton College, New York, in 1845, read law in his father's office, and in the autumn of 1847 was admitted to the Bar. He practised for six or seven years in Rochester, New York, and then in New York City. He was drawn into engineering when aged about 30, first through a client who claimed to have invented a revolutionary type of engine and offered Porter the rights to it as payment of a debt. Having lent more money, Porter saw neither the man nor the engine again. Porter followed this with a similar experience over a patent for a stone dressing machine, except this time the machine was built. It proved to be a failure, but Porter set about redesigning it and found that it was vastly improved when it ran faster. His improved machine went into production. It was while trying to get the steam engine that drove the stone dressing machine to run more smoothly that he made a discovery that formed the basis for his subsequent work.Porter took the ordinary Watt centrifugal governor and increased the speed by a factor of about ten; although he had to reduce the size of the weights, he gained a motion that was powerful. To make the device sufficiently responsive at the right speed, he balanced the centrifugal forces by a counterweight. This prevented the weights flying outwards until the optimum speed was reached, so that the steam valves remained fully open until that point and then the weights reacted more quickly to variations in speed. He took out a patent in 1858, and its importance was quickly recognized. At first he manufactured and sold the governors himself in a specially equipped factory, because this was the only way he felt he could get sufficient accuracy to ensure a perfect action. For marine use, the counterweight was replaced by a spring.Higher speed had brought the advantage of smoother running and so he thought that the same principles could be applied to the steam engine itself, but it was to take extensive design modifications over several years before his vision was realized. In the winter of 1860–1, J.F. Allen met Porter and sketched out his idea of a new type of steam inlet valve. Porter saw the potential of this for his high-speed engine and Allen took out patents for it in 1862. The valves were driven by a new valve gear designed by Pius Fink. Porter decided to display his engine at the International Exhibition in London in 1862, but it had to be assembled on site because the parts were finished in America only just in time to be shipped to meet the deadline. Running at 150 rpm, the engine caused a sensation, but as it was non-condensing there were few orders. Porter added condensing apparatus and, after the failure of Ormerod Grierson \& Co., entered into an agreement with Joseph Whitworth to build the engines. Four were exhibited at the 1867 Paris Exposition Universelle, but Whitworth and Porter fell out and in 1868 Porter returned to America.Porter established another factory to build his engine in America, but he ran into all sorts of difficulties, both mechanical and financial. Some engines were built, and serious production was started c. 1874, but again there were further problems and Porter had to leave his firm. High-speed engines based on his designs continued to be made until after 1907 by the Southwark Foundry and Machine Company, Philadelphia, so Porter's ideas were proved viable and led to many other high-speed designs.[br]Bibliography1908, Engineering Reminiscences, New York: J. Wiley \& Sons; reprinted 1985, Bradley, Ill.: Lindsay (autobiography; the main source of information about his life).Further ReadingR.L.Hills, 1989, Power from Steam. A History of the Stationary Steam Engine, Cambridge University Press (examines his governor and steam engine).O.Mayr, 1974, "Yankee practice and engineering theory; Charles T.Porter and the dynamics of the high-speed engine", Technology and Culture 16 (4) (examines his governor and steam engine).RLH -
69 Rosenhain, Walter
SUBJECT AREA: Metallurgy[br]b. 24 August 1875 Berlin, Germanyd. 17 March 1934 Kingston Hill, Surrey, England[br]German metallurgist, first Superintendent of the Department of Metallurgy and Metallurgical Chemistry at the National Physical Laboratory, Teddington, Middlesex.[br]His family emigrated to Australia when he was 5 years old. He was educated at Wesley College, Melbourne, and attended Queen's College, University of Melbourne, graduating in physics and engineering in 1897. As an 1851 Exhibitioner he then spent three years at St John's College, Cambridge, under Sir Alfred Ewing, where he studied the microstructure of deformed metal crystals and abandoned his original intention of becoming a civil engineer. Rosenhain was the first to observe the slip-bands in metal crystals, and in the Bakerian Lecture delivered jointly by Ewing and Rosenhain to the Royal Society in 1899 it was shown that metals deformed plastically by a mechanism involving shear slip along individual crystal planes. From this conception modern ideas on the plasticity and recrystallization of metals rapidly developed. On leaving Cambridge, Rosenhain joined the Birmingham firm of Chance Brothers, where he worked for six years on optical glass and lighthouse-lens systems. A book, Glass Manufacture, written in 1908, derives from this period, during which he continued his metallurgical researches in the evenings in his home laboratory and published several papers on his work.In 1906 Rosenhain was appointed Head of the Metallurgical Department of the National Physical Laboratory (NPL), and in 1908 he became the first Superintendent of the new Department of Metallurgy and Metallurgical Chemistry. Many of the techniques he introduced at Teddington were described in his Introduction to Physical Metallurgy, published in 1914. At the outbreak of the First World War, Rosenhain was asked to undertake work in his department on the manufacture of optical glass. This soon made it possible to manufacture optical glass of high quality on an industrial scale in Britain. Much valuable work on refractory materials stemmed from this venture. Rosenhain's early years at the NPL were, however, inseparably linked with his work on light alloys, which between 1912 and the end of the war involved virtually all of the metallurgical staff of the laboratory. The most important end product was the well-known "Y" Alloy (4% copper, 2% nickel and 1.5% magnesium) extensively used for the pistons and cylinder heads of aircraft engines. It was the prototype of the RR series of alloys jointly developed by Rolls Royce and High Duty Alloys. An improved zinc-based die-casting alloy devised by Rosenhain was also used during the war on a large scale for the production of shell fuses.After the First World War, much attention was devoted to beryllium, which because of its strength, lightness, and stiffness would, it was hoped, become the airframe material of the future. It remained, however, too brittle for practical use. Other investigations dealt with impurities in copper, gases in aluminium alloys, dental alloys, and the constitution of alloys. During this period, Rosenhain's laboratory became internationally known as a centre of excellence for the determination of accurate equilibrium diagrams.[br]Principal Honours and DistinctionsFRS 1913. President, Institute of Metals 1828–30. Iron and Steel Institute Bessemer Medal, Carnegie Medal.Bibliography1908, Glass Manufacture.1914, An Introduction to the Study of Physical Metallurgy, London: Constable. Rosenhain published over 100 research papers.Further ReadingJ.L.Haughton, 1934, "The work of Walter Rosenhain", Journal of the Institute of Metals 55(2):17–32.ASD -
70 Royce, Sir Frederick Henry
[br]b. 27 March 1863 Alwalton, Huntingdonshire, Englandd. 22 April 1933 West Wittering, Sussex, England.[br]English engineer and industrialist.[br]Royce was the younger son of a flour miller. His father's death forced him to earn his own living from the age of 10 selling newspapers, as a post office messenger boy, and in other jobs. At the age of 14, he became an apprentice at the Great Northern Railway's locomotive works, but was unable to complete his apprenticeship due to a shortage of money. He moved to a tool company in Leeds, then in 1882 he became a tester for the London Electric Light \& Power Company and attended classes at the City \& Guilds Technical College. In the same year, the company made him Chief Electrical Engineer for the lighting of the streets of Liverpool.In 1884, at the age of 21, he founded F.H. Royce \& Co (later called Royce Ltd, from 1894 to 1933) with a capital of £70, manufacturing arc lamps, dynamos and electric cranes. In 1903, he bought a 10 hp Deauville car which proved noisy and unreliable; he therefore designed his own car. By the end of 1903 he had produced a twocylinder engine which ran for many hundreds of hours driving dynamos; on 31 March 1904, a 10 hp Royce car was driven smoothly and silently from the works in Cooke Street, Manchester. This car so impressed Charles S. Rolls, whose London firm were agents for high-class continental cars, that he agreed to take the entire output from the Manchester works. In 1906 they jointly formed Rolls-Royce Ltd and at the end of that year Royce produced the first 40/50 hp Silver Ghost, which remained in production until 1925 when it was replaced by the Phantom and Wraith. The demand for the cars grew so great that in 1908 manufacture was transferred to a new factory in Derby.In 1911 Royce had a breakdown due to overwork and his lack of attention to taking regular meals. From that time he never returned to the works but continued in charge of design from a drawing office in his home in the south of France and later at West Wittering, Sussex, England. During the First World War he designed the Falcon, Hawk and Condor engines as well as the VI2 Eagle, all of which were liquid-cooled. Later he designed the 36.7-litre Rolls-Royce R engines for the Vickers Supermarine S.6 and S.6B seaplanes which were entered for the Schneider Trophy (which they won in 1929 and 1931, the 5.5 having won in 1927 with a Napier Lion engine) and set a world speed record of 408 mph (657 km/h) in 1931; the 1941 Griffon engine was derived from the R.Royce was an improver rather than an innovator, though he did invent a silent form of valve gear, a friction-damped slipper flywheel, the Royce carburettor and a spring drive for timing gears. He was a modest man with a remarkable memory who concentrated on perfecting the detail of every component. He married Minnie Punt, but they had no children. A bust of him at the Derby factory is captioned simply "Henry Royce, Mechanic".[br]Further ReadingR.Bird, 1995, Rolls Royce Heritage, London: Osprey.IMcNBiographical history of technology > Royce, Sir Frederick Henry
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71 Sullivan, Louis Henry
SUBJECT AREA: Architecture and building[br]b. 3 September 1856 Boston, Massachusetts, USAd. 14 April 1924 Chicago, Illinois, USA[br]American architect whose work came to be known as the "Chicago School of Architecture" and who created a new style of architecture suited specifically to steel-frame, high-rise structures.[br]Sullivan, a Bostonian, studied at the Massachusetts Institute of Technology. Soon he joined his parents, who had moved to Chicago, and worked for a while in the office of William Le Baron Jenney, the pioneer of steel-frame construction. After spending some time studying at the Ecole des Beaux Arts in Paris, in 1875 Sullivan returned to Chicago, where he later met and worked for the Danish architect Dankmar Adler, who was practising there. In 1881 the two architects became partners, and during the succeeding fifteen years they produced their finest work and the buildings for which Sullivan is especially known.During the early 1880s in Chicago, load-bearing, metal-framework structures that made lofty skyscrapers possible had been developed (see Jenney and Holabird). Louis H.Sullivan initiated building design to stress and complement the metal structure rather than hide it. Moving onwards from H.H.Richardson's treatment of his Marshall Field Wholesale Store in Chicago, Sullivan took the concept several stages further. His first outstanding work, built with Adler in 1886–9, was the Auditorium Building in Chicago. The exterior, in particular, was derived largely from Richardson's Field Store, and the building—now restored—is of bold but simple design, massively built in granite and stone, its form stressing the structure beneath. The architects' reputation was established with this building.The firm of Sullivan \& Adler established itself during the early 1890s, when they built their most famous skyscrapers. Adler was largely responsible for the structure, the acoustics and function, while Sullivan was responsible for the architectural design, concerning himself particularly with the limitation and careful handling of ornament. In 1892 he published his ideas in Ornament in Architecture, where he preached restraint in its quality and disposition. He established himself as a master of design in the building itself, producing a rhythmic simplicity of form, closely related to the structural shape beneath. The two great examples of this successful approach were the Wainwright Building in St Louis, Missouri (1890–1) and the Guaranty Building in Buffalo, New York (1894–5). The Wainwright Building was a ten-storeyed structure built in stone and brick and decorated with terracotta. The vertical line was stressed throughout but especially at the corners, where pilasters were wider. These rose unbroken to an Art Nouveau type of decorative frieze and a deeply projecting cornice above. The thirteen-storeyed Guaranty Building is Sullivan's masterpiece, a simple, bold, finely proportioned and essentially modern structure. The pilaster verticals are even more boldly stressed and decoration is at a minimum. In the twentieth century the almost free-standing supporting pillars on the ground floor have come to be called pilotis. As late as the 1920s, particularly in New York, the architectural style and decoration of skyscrapers remained traditionally eclectic, based chiefly upon Gothic or classical forms; in view of this, Sullivan's Guaranty Building was far ahead of its time.[br]BibliographyArticle by Louis H.Sullivan. Address delivered to architectural students June 1899, published in Canadian Architecture Vol. 18(7):52–3.Further ReadingHugh Morrison, 1962, Louis Sullivan: Prophet of Modern Architecture.Willard Connely, 1961, Louis Sullivan as He Lived, New York: Horizon Press.DY -
72 Swan, Sir Joseph Wilson
[br]b. 31 October 1828 Sunderland, Englandd. 27 May 1914 Warlingham, Surrey, England[br]English chemist, inventor in Britain of the incandescent electric lamp and of photographic processes.[br]At the age of 14 Swan was apprenticed to a Sunderland firm of druggists, later joining John Mawson who had opened a pharmacy in Newcastle. While in Sunderland Swan attended lectures at the Athenaeum, at one of which W.E. Staite exhibited electric-arc and incandescent lighting. The impression made on Swan prompted him to conduct experiments that led to his demonstration of a practical working lamp in 1879. As early as 1848 he was experimenting with carbon as a lamp filament, and by 1869 he had mounted a strip of carbon in a vessel exhausted of air as completely as was then possible; however, because of residual air, the filament quickly failed.Discouraged by the cost of current from primary batteries and the difficulty of achieving a good vacuum, Swan began to devote much of his attention to photography. With Mawson's support the pharmacy was expanded to include a photographic business. Swan's interest in making permanent photographic records led him to patent the carbon process in 1864 and he discovered how to make a sensitive dry plate in place of the inconvenient wet collodian process hitherto in use. He followed this success with the invention of bromide paper, the subject of a British patent in 1879.Swan resumed his interest in electric lighting. Sprengel's invention of the mercury pump in 1865 provided Swan with the means of obtaining the high vacuum he needed to produce a satisfactory lamp. Swan adopted a technique which was to become an essential feature in vacuum physics: continuing to heat the filament during the exhaustion process allowed the removal of absorbed gases. The inventions of Gramme, Siemens and Brush provided the source of electrical power at reasonable cost needed to make the incandescent lamp of practical service. Swan exhibited his lamp at a meeting in December 1878 of the Newcastle Chemical Society and again the following year before an audience of 700 at the Newcastle Literary and Philosophical Society. Swan's failure to patent his invention immediately was a tactical error as in November 1879 Edison was granted a British patent for his original lamp, which, however, did not go into production. Parchmentized thread was used in Swan's first commercial lamps, a material soon superseded by the regenerated cellulose filament that he developed. The cellulose filament was made by extruding a solution of nitro-cellulose in acetic acid through a die under pressure into a coagulating fluid, and was used until the ultimate obsolescence of the carbon-filament lamp. Regenerated cellulose became the first synthetic fibre, the further development and exploitation of which he left to others, the patent rights for the process being sold to Courtaulds.Swan also devised a modification of Planté's secondary battery in which the active material was compressed into a cellular lead plate. This has remained the central principle of all improvements in secondary cells, greatly increasing the storage capacity for a given weight.[br]Principal Honours and DistinctionsKnighted 1904. FRS 1894. President, Institution of Electrical Engineers 1898. First President, Faraday Society 1904. Royal Society Hughes Medal 1904. Chevalier de la Légion d'Honneur 1881.Bibliography2 January 1880, British patent no. 18 (incandescent electric lamp).24 May 1881, British patent no. 2,272 (improved plates for the Planté cell).1898, "The rise and progress of the electrochemical industries", Journal of the Institution of Electrical Engineers 27:8–33 (Swan's Presidential Address to the Institution of Electrical Engineers).Further ReadingM.E.Swan and K.R.Swan, 1968, Sir Joseph Wilson Swan F.R.S., Newcastle upon Tyne (a detailed account).R.C.Chirnside, 1979, "Sir Joseph Swan and the invention of the electric lamp", IEEElectronics and Power 25:96–100 (a short, authoritative biography).GWBiographical history of technology > Swan, Sir Joseph Wilson
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73 ἐμμένω
ἐμμένω fut. ἐμμενεῖ LXX; 1 aor. ἐνέμεινα (s. μένω beg.; Aeschyl., Hdt.+; ins, pap, LXX, En; TestSol 18:18; Philo, Joseph.)① to stay in the same place over a period of time, stay/remain (in) w. ἐν (Thu. 2, 23, 3; X., An. 4, 7, 16)ⓐ lit. (PTebt 230 descr. [II B.C.] ἐ. μέχρι νυκτός ‘remained [in the shop] until evening’) ἐν ἰδίῳ μισθώματι Ac 28:30.ⓑ metaph. αἱ πονηρίαι αὐτῶν ἐν τ. καρδίαις ἐμμένουσι Hv 3, 6, 3.② to persist in a state or enterprise, persevere in, stand by τινί someth. (Attic wr., also Diod S 15, 19, 4; Plut., Ages. 608 [23, 5]; SIG 1219, 20 [III B.C.]; POxy 138, 36; Sir 11:21; 1 Macc 10:26; Philo, Congr. Erud. Gr. 125; Jos., C. Ap. 2, 257) τῇ ἁπλότητι Hv 3, 1, 9; τῇ πίστει (Jos., Ant. 19, 247, Vi. 34) Ac 14:22; Hs 8, 9, 1. πᾶσιν τοῖς γεγραμμένοις ἐν τῷ βιβλίῳ abide by everything written in the book Gal 3:10 (Dt 27:26 underlies this. But the change of [ἐν] πᾶσι τοῖς λόγοις τ. νόμου there into πᾶσιν τ. γεγραμμ. ἐν τ. β. here seems to have been caused by the infl. [prob. unconscious] of a common legal formula of the official style, which uses ἐ. followed by the dat. of a ptc., mostly in pl., w. or without ἐν; s. Dssm., NB 76f [BS 248f]; ABerger, D. Strafklauseln in den Pap.-urkunden 1911, 3f; OEger, ZNW 18, 1918, 94.—The legal formula also influences religious language in Alex. Aphr., Fat. 17, II/2 p. 188, 15 ἐμμένειν τοῖς ὑπὸ τῶν θεῶν προαγορευομένοις); τῇ πρὸς τὸν πατέρα κλήσει AcPl Ha 7, 33. For this ἔν τινι (Thu. 4, 118, 14; Polyb. 3, 70, 4 ἐν τ. πίστει; Sir 6:20) ἐν τ. διαθήκῃ μου Hb 8:9 (Jer 38:32); ἐν τοῖς ἔργοις Hm 4, 1, 9; ἐν ταῖς πράξεσιν Hs 8, 7, 3. ἐπί τινι (Is 30:18 v.l.): ἐφʼ οἷς ἐπιστεύσαμεν remain true to the things we have believed 2 Cl 15:3. Abs. (En 5:4; SibOr 5, 524) persevere, stand firm Hv 2, 2, 7; 2, 3, 2.—DELG s.v. μένω. M-M. TW. -
74 כן II
כֵּןII, with suff. כַּנּ־, m. (b. h.; כּוּן or כָּנַן) 1) base, stand, rest. Cant. R. to I, 1 (ref. to והנה חלום, 1 Kings 3:15) החלום … על כַּנּוֹ the dream (after he awoke) remained standing on its firm stand (was realized); Yalk. Kings 175. Yoma V, 3, sq. הניחו על כ׳וכ׳ he set it down on the stand. Tosef.Kel.B. Mets.II, 17 מחוסרין כן vessels that have lost their rest; a. fr.Pl. כַּנִּים, constr. כַּנֵּי. Kel. XI, 3.Trnsf. social status. Yeb.77b גיורת מכַּנָּהּ a proselyte of her own status, i. e. born after the conversion of her parents both of whom were of the same nation. 2) (cmp. כּוּן Pi.) ruler. Ib. XII, 8; Tosef. ib. B. Bath. VII, 12 הכן והכַּנָּה (Var. והכַּנָּא) the ruler and that which is ruled (the writing material); oth. opin.: the ruled material and the ruler; (oth. opin.: (cmp. σταθμός) the base of the scales and the scales; oth. opin. the strike and the measure. -
75 כֵּן
כֵּןII, with suff. כַּנּ־, m. (b. h.; כּוּן or כָּנַן) 1) base, stand, rest. Cant. R. to I, 1 (ref. to והנה חלום, 1 Kings 3:15) החלום … על כַּנּוֹ the dream (after he awoke) remained standing on its firm stand (was realized); Yalk. Kings 175. Yoma V, 3, sq. הניחו על כ׳וכ׳ he set it down on the stand. Tosef.Kel.B. Mets.II, 17 מחוסרין כן vessels that have lost their rest; a. fr.Pl. כַּנִּים, constr. כַּנֵּי. Kel. XI, 3.Trnsf. social status. Yeb.77b גיורת מכַּנָּהּ a proselyte of her own status, i. e. born after the conversion of her parents both of whom were of the same nation. 2) (cmp. כּוּן Pi.) ruler. Ib. XII, 8; Tosef. ib. B. Bath. VII, 12 הכן והכַּנָּה (Var. והכַּנָּא) the ruler and that which is ruled (the writing material); oth. opin.: the ruled material and the ruler; (oth. opin.: (cmp. σταθμός) the base of the scales and the scales; oth. opin. the strike and the measure.
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