JENKIN, Henry Charles Fleming, Eng lish engineer: b. near Dungeness, Kent, 25 March 1833; d. Edinburgh, 12 June 1885. He took his M.A. at the University of Genoa in 1850 and in 1851 began his career as an engi neer at Manchester. He afterward was with the submarine cable-works at Birkenhead. In 1859 he became associated with Sir William Thomson, afterward Lord Kelvin, in experi ments on the resistance and insulation of elec tric cables, and his researches on the resistance of gutta-percha were recognized as of great importance. In partnership with Thomson he worked out many problems in connection with submarine telegraphy, and was connected with the laying of many cables. His services as a consulting telegraph engineer were in large de mand and his inventions, upon which he took out 35 patents, brought him large financial re turns. He was elected a Fellow of the Royal Society in 1865 and in that year was appointed professor of engineering at University College, London. From 1868 until his death he was
professor of engineering at Edinburgh Univer sity. He was exceptionally sound as a practical engineer and his determinative work in elec tricity was invaluable. He took up the work of sanitation with the vigorous thoroughness that characterized all his efforts, promoted the found ing of a sanitary association in Edinburgh and materially aided the work with practical articles on the subject. At the time of his premature death he was engaged in completing an automa tic electric system for the transportation of merchandise, known as Many of his scientific papers appeared in the Transac tions of the Royal Society of London and the Proceedings of the Royal Society of Edin burgh. He was also author of 'Magnetism and Electricity) (1873) ; 'Healthy (1878). His collected writings, with an appreciative 'Memoir) by R. L. Stevenson, were edited by Colvin and Ewing (2 vols., London 1887).