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41 Popoff, Andrei Alexandrovitch
SUBJECT AREA: Ports and shipping[br]b. 21 September 1821 Russiad. 6 March 1898 Russia[br]Russian admiral and naval constructor involved in the building of unusual warships.[br]After graduating from the Naval School Popoff served in the Russian Navy, ultimately commanding the cruiser Meteor. During the Crimean War he was Captain of a steamship and was later Manager of Artillery Supplies at Sevastopol. At the conclusion of the war he was appointed to supervise the construction of all steamships and so started his real career in naval procurement. For the best part of thirty years he oversaw the Russian naval building programme, producing many new ships at St Petersburg. Probably the finest was the battleship Petr Veliki (Peter the Great), of 9,000 tons displacement, built at Galernii Island in 1869. With some major refits the ship remained in the fleet until 1922. Two remarkable ships were produced at St Petersburg, the Novgorod and the Vice Admiral Popoff in 1874 and 1876, respectively. Their hull form was almost circular in the hope of creating stable and steady gun platforms and to lessen the required depth of water for their duties as defence ships in the shallow waters of the Black Sea and the Sea of Azov. Despite support for the idea from Sir Edward Reed of the Royal Navy, the designs failed owing to unpleasant oscillations and poor manoeuvring qualities. One further attempt was made to find a successful outcome to this good idea in the construction of the Russian Imperial Yacht Livadia at Elder's Glasgow shipyard in 1880: for many reasons the Livadia never fulfilled her purpose. Despite their great advantages, the age of the Popoffkas was over. Popoff had a remarkable effect on Russian shipbuilding and warship design. He had authority, and used it wisely at a time when the Russian shipbuilding industry was developing quickly.[br]Principal Honours and DistinctionsHonorary Associate of the Institution of Naval Architects, London.Further ReadingFred T.Jane, 1899, The Imperial Russian Navy, London.AK / FMWBiographical history of technology > Popoff, Andrei Alexandrovitch
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42 Whitworth, Sir Joseph
[br]b. 21 December 1803 Stockport, Cheshire, Englandd. 22 January 1887 Monte Carlo, Monaco[br]English mechanical engineer and pioneer of precision measurement.[br]Joseph Whitworth received his early education in a school kept by his father, but from the age of 12 he attended a school near Leeds. At 14 he joined his uncle's mill near Ambergate, Derbyshire, to learn the business of cotton spinning. In the four years he spent there he realized that he was more interested in the machinery than in managing a cotton mill. In 1821 he obtained employment as a mechanic with Crighton \& Co., Manchester. In 1825 he moved to London and worked for Henry Maudslay and later for the Holtzapffels and Joseph Clement. After these years spent gaining experience, he returned to Manchester in 1833 and set up in a small workshop under a sign "Joseph Whitworth, Tool Maker, from London".The business expanded steadily and the firm made machine tools of all types and other engineering products including steam engines. From 1834 Whitworth obtained many patents in the fields of machine tools, textile and knitting machinery and road-sweeping machines. By 1851 the company was generally regarded as the leading manufacturer of machine tools in the country. Whitworth was a pioneer of precise measurement and demonstrated the fundamental mode of producing a true plane by making surface plates in sets of three. He advocated the use of the decimal system and made use of limit gauges, and he established a standard screw thread which was adopted as the national standard. In 1853 Whitworth visited America as a member of a Royal Commission and reported on American industry. At the time of the Crimean War in 1854 he was asked to provide machinery for manufacturing rifles and this led him to design an improved rifle of his own. Although tests in 1857 showed this to be much superior to all others, it was not adopted by the War Office. Whitworth's experiments with small arms led on to the construction of big guns and projectiles. To improve the quality of the steel used for these guns, he subjected the molten metal to pressure during its solidification, this fluid-compressed steel being then known as "Whitworth steel".In 1868 Whitworth established thirty annual scholarships for engineering students. After his death his executors permanently endowed the Whitworth Scholarships and distributed his estate of nearly half a million pounds to various educational and charitable institutions. Whitworth was elected an Associate of the Institution of Civil Engineers in 1841 and a Member in 1848 and served on its Council for many years. He was elected a Member of the Institution of Mechanical Engineers in 1847, the year of its foundation.[br]Principal Honours and DistinctionsBaronet 1869. FRS 1857. President, Institution of Mechanical Engineers 1856, 1857 and 1866. Hon. LLD Trinity College, Dublin, 1863. Hon. DCL Oxford University 1868. Member of the Smeatonian Society of Civil Engineers 1864. Légion d'honneur 1868. Society of Arts Albert Medal 1868.Bibliography1858, Miscellaneous Papers on Mechanical Subjects, London; 1873, Miscellaneous Papers on Practical Subjects: Guns and Steel, London (both are collections of his papers to technical societies).1854, with G.Wallis, The Industry of the United States in Machinery, Manufactures, andUseful and Ornamental Arts, London.Further ReadingF.C.Lea, 1946, A Pioneer of Mechanical Engineering: Sir Joseph Whitworth, London (a short biographical account).A.E.Musson, 1963, "Joseph Whitworth: toolmaker and manufacturer", Engineering Heritage, Vol. 1, London, 124–9 (a short biography).D.J.Jeremy (ed.), 1984–6, Dictionary of Business Biography, Vol. 5, London, 797–802 (a short biography).W.Steeds, 1969, A History of Machine Tools 1700–1910, Oxford (describes Whitworth's machine tools).RTS
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