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.