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121 Benton, Linn Boyd
SUBJECT AREA: Paper and printing[br]b. 13 May 1844 Little Falls, New York, USAd. 15 July 1932 Plainfield, New Jersey, USA[br]American typefounder, cutter and designer, inventor of the automatic punch-cutting machine.[br]Benton spent his childhood in Milwaukee and La Crosse, where he early showed a talent for mechanical invention. His father was a lawyer with an interest in newspapers and who acquired the Milwaukee Daily News. Benton became familiar with typesetting equipment in his father's newspaper office. He learned the printer's trade at another newspaper office, at La Crosse, and later worked as bookkeeper at a type foundry in Milwaukee. When that failed in 1873, Benton acquired the plant, and when he was joined by R.V.Waldo the firm became Benton, Waldo \& Co. Benton began learning and improving type-cutting practice. He first devised unit-width or "self-spacing" type which became popular with compositors, saving, it was reckoned, 20 per cent of their time. Meanwhile, Benton worked on a punch-cutting machine to speed up the process of cutting letters in the steel punches from which matrices or moulds were formed to enable type to be cast from molten metal. His first mechanical punch-cutter worked successfully in 1884. The third machine, patented in 1885, was the model that revolutionized the typefounding operation. So far, punch-cutting had been done by hand, a rare and expensive skill that was insufficient to meet the demands of the new typesetting machines, the monotype of Lanston and the linotype of Merganthaler. These were threatened with failure until Benton saved the day with his automatic punch-cutter. Mechanizing punch-cutting and the forming of matrices made possible the typesetting revolution brought about by mono-and linotype.In 1892 Benton's firm merged with others to form the American Type Founders Company. Benton's equipment was moved to New York and he with it, to become a board member and Chief Technical Advisor. In 1894 he became Manager of the company's new plant for type manufacture in Jersey City. Benton steadily improved both machinery and processes, for which he was granted twenty patents. With his son Morris Fuller, he was also notable and prolific in the field of type design. Benton remained in active association with his company until just two weeks before his death.[br]Further ReadingObituary, 1932, Inland Printer (August): 53–4.P.Cost, 1985, "The contributions of Lyn [sic] Boyd Benton and Morris Fuller Benton to the technology of typesetting and the art of typeface design", unpublished MSc thesis, Rochester Institute of Technology (the most thorough treatment).H.L.Bullen, 1922, Inland Printer (October) (describes Benton's life and work).LRD -
122 Black, Harold Stephen
[br]b. 14 April 1898 Leominster, Massachusetts, USAd. 11 December 1983 Summitt, New Jersey, USA[br]American electrical engineer who discovered that the application of negative feedback to amplifiers improved their stability and reduced distortion.[br]Black graduated from Worcester Polytechnic Institute, Massachusetts, in 1921 and joined the Western Electric Company laboratories (later the Bell Telephone Laboratories) in New York City. There he worked on a variety of electronic-communication problems. His major contribution was the discovery in 1927 that the application of negative feedback to an amplifier, whereby a fraction of the output signal is fed back to the input in the opposite phase, not only increases the stability of the amplifier but also has the effect of reducing the magnitude of any distortion introduced by it. This discovery has found wide application in the design of audio hi-fi amplifiers and various control systems, and has also given valuable insight into the way in which many animal control functions operate.During the Second World War he developed a form of pulse code modulation (PCM) to provide a practicable, secure telephony system for the US Army Signal Corps. From 1963–6, after his retirement from the Bell Labs, he was Principal Research Scientist with General Precision Inc., Little Falls, New Jersey, following which he became an independent consultant in communications. At the time of his death he held over 300 patents.[br]Principal Honours and DistinctionsInstitute of Electronic and Radio Engineers Lamme Medal 1957.Bibliography1934, "Stabilised feedback amplifiers", Electrical Engineering 53:114 (describes the principles of negative feedback).21 December 1937, US patent no. 2,106,671 (for his negative feedback discovery.1947, with J.O.Edson, "Pulse code modulation", Transactions of the American Institute of Electrical Engineers 66:895.1946, "A multichannel microwave radio relay system", Transactions of the American Institute of Electrical Engineers 65:798.1953, Modulation Theory, New York: D.van Nostrand.1988, Laboratory Management: Principles \& Practice, New York: Van Nostrand Rheinhold.Further ReadingFor early biographical details see "Harold S. Black, 1957 Lamme Medalist", Electrical Engineering (1958) 77:720; "H.S.Black", Institute of Electrical and Electronics Engineers Spectrum (1977) 54.KF -
123 Stevens, John
[br]b. 1749 New York, New York, USAd. 6 March 1838 Hoboken, New Jersey, USA[br]American pioneer of steamboats and railways.[br]Stevens, a wealthy landowner with an estate at Hoboken on the Hudson River, had his attention drawn to the steamboat of John Fitch in 1786, and thenceforth devoted much of his time and fortune to developing steamboats and mechanical transport. He also had political influence and it was at his instance that Congress in 1790 passed an Act establishing the first patent laws in the USA. The following year Stevens was one of the first recipients of a US patent. This referred to multi-tubular boilers, of both watertube and firetube types, and antedated by many years the work of both Henry Booth and Marc Seguin on the latter.A steamboat built in 1798 by John Stevens, Nicholas J.Roosevelt and Stevens's brother-in-law, Robert R.Livingston, in association was unsuccessful, nor was Stevens satisfied with a boat built in 1802 in which a simple rotary steam-en-gine was mounted on the same shaft as a screw propeller. However, although others had experimented earlier with screw propellers, when John Stevens had the Little Juliana built in 1804 he produced the first practical screw steamboat. Steam at 50 psi (3.5 kg/cm2) pressure was supplied by a watertube boiler to a single-cylinder engine which drove two contra-rotating shafts, upon each of which was mounted a screw propeller. This little boat, less than 25 ft (7.6 m) long, was taken backwards and forwards across the Hudson River by two of Stevens's sons, one of whom, R.L. Stevens, was to help his father with many subsequent experiments. The boat, however, was ahead of its time, and steamships were to be driven by paddle wheels until the late 1830s.In 1807 John Stevens declined an invitation to join with Robert Fulton and Robert R.Living-ston in their development work, which culminated in successful operation of the PS Clermont that summer; in 1808, however, he launched his own paddle steamer, the Phoenix. But Fulton and Livingston had obtained an effective monopoly of steamer operation on the Hudson and, unable to reach agreement with them, Stevens sent Phoenix to Philadelphia to operate on the Delaware River. The intervening voyage over 150 miles (240 km) of open sea made Phoenix the first ocean-going steamer.From about 1810 John Stevens turned his attention to the possibilities of railways. He was at first considered a visionary, but in 1815, at his instance, the New Jersey Assembly created a company to build a railway between the Delaware and Raritan Rivers. It was the first railway charter granted in the USA, although the line it authorized remained unbuilt. To demonstrate the feasibility of the steam locomotive, Stevens built an experimental locomotive in 1825, at the age of 76. With flangeless wheels, guide rollers and rack-and-pinion drive, it ran on a circular track at his Hoboken home; it was the first steam locomotive to be built in America.[br]Bibliography1812, Documents Tending to Prove the Superior Advantages of Rail-ways and Steam-carriages over Canal Navigation.He took out patents relating to steam-engines in the USA in 1791, 1803, and 1810, and in England, through his son John Cox Stevens, in 1805.Further ReadingH.P.Spratt, 1958, The Birth of the Steamboat, Charles Griffin (provides technical details of Stevens's boats).J.T.Flexner, 1978, Steamboats Come True, Boston: Little, Brown (describes his work in relation to that of other steamboat pioneers).J.R.Stover, 1961, American Railroads, Chicago: University of Chicago Press.Transactions of the Newcomen Society (1927) 7: 114 (discusses tubular boilers).J.R.Day and B.G.Wilson, 1957, Unusual Railways, F.Muller (discusses Stevens's locomotive).PJGR -
124 Vail, Alfred Lewis
SUBJECT AREA: Telecommunications[br]b. 25 September 1807 Morristown, New Jersey, USAd. 18 January 1859 Morristown, New Jersey, USA[br]American telegraph pioneer and associate of Samuel Morse; widely credited with the invention of "Morse" code.[br]After leaving school, Vail was initially employed at his father's ironworks in Morristown, but he then decided to train for the Presbyterian ministry, graduating from New York City University in 1836. Unfortunately, he was then obliged to abandon his chosen career because of ill health. He accidentally met Samuel Morse not long afterwards, and he became interested in the latter's telegraph experiments; in return for a share of the rights, he agreed to construct apparatus and finance the filing of US and foreign patents. Working in Morristown with Morse and Leonard Gale, and with financial backing from his father, Vail constructed around his father's plant a telegraph with 3 miles (4.8 km) of wire. It is also possible that he, rather than Morse, was largely responsible for devising the so-called Morse code, a series of dot and dash codes representing the letters of the alphabet, and in which the simplest codes were chosen for those letters found to be most numerous in a case of printer's type. This system was first demonstrated on 6 January 1838 and there were subsequent public demonstrations in New York and Philadelphia. Eventually Congress authorized an above-ground line between Washington and Baltimore, and on 24 May 1844 the epoch-making message "What hath God wrought?" was transmitted.Vail remained with Morse for a further four years, but he gradually lost interest in telegraphy and resigned, receiving no credit for his important contribution.[br]BibliographyThe Magnetic Telegraph.Further Reading1845, American Electrotelegraph 135.J.J.Fahie, 1884, A History of the Electric Telegraph to the Year 1837, London: E\&F Spon.KF -
125 NJ
1) Военный термин: noise jammer2) Железнодорожный термин: Delaware and Hudson Railway Company Incorporated3) География: Нью-Джерси (штат США)4) Сокращение: New Jersey (US state), Non-Juxtaposed, Norsk Jetmotor A/S (Norway)5) Генетика: (neighbor-joining) метод ближайшего связывания6) Картография: New Jersey7) Электротехника: network junction8) Общественная организация: National Jewish Medical and Research Center -
126 NJAC
1) Спорт: New Jersey Athletic Conference2) Военный термин: NATO Joint Advisory Council3) Сокращение: National Joint Advisory Council4) Химическое оружие: New Jersey Administrative Code -
127 NJCM
1) Правительство: New Jersey Conference Of Mayors2) Музеи: New Jersey Childrens Museum -
128 NJD
1) Спорт: New Jersey Devils Hockey Team2) Правительство: U. S. District Court for the District of New Jersey
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