Philip Cardew
1851–1910
Army officer and electrical engineer. Passed first into the Royal Military Academy, Woolwich, 1868. Commissioned lieutenant in the Royal Engineers, 1871. Invented the hot-wire galvanometer (voltmeter), and the vibratory transmitter for telegraphy. Captain, 1883; major, 1889; from 1882, instructor in electricity, Chatham (School of Military Engineering). Appointed the first electrical adviser to the Board of Trade, 1889. Upon retirement, entered into partnership with Sir William Preece & Sons, consulting engineers. Served on the council of the Institution of Electrical Engineers.
Source
ODNB.
Bibliography
ODNB: Oxford dictionary of national biography: from the earliest times to the year 2000. (Revised edition.) Edited by H. C. G. Matthew and Brian Harrison. 60 vols. and index. Oxford: Oxford University Press. 2004.
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