Hughes, D. E. (David Edward), 1831-1900.
D. E. Hughes notebooks, of D. E. Hughes, 1860-1897.
Notebooks of experiments and studies, abroad and in England, relating chiefly to his inventions of the printing telegraph and (in 1878) of the microphone. Illustrated with diagrams and specimens of messages and pictures transmitted. Also includes notes of lectures delivered before various scientific societies; press cuttings.
Electrician and inventor, F.R.S. Conducted research into telegraphy, telephony, the microphone, etc., and is thought to have anticipated the discovery of Hertzian waves. Born in London but spent most of his life in the U.S. Professor of music and chair of natural philosophy in Bardstown, Kentucky. Also invented the induction balance and worked with the theory of magnetism.
Physics -- Experiments -- 19th century.
Microphone -- History.
Telegraph -- History.
Clippings. aat aat aat
Lecture notes. aat
Notebooks. aat
AIP-ICOS
British Library. Department of Manuscripts. 96 Euston Road, London NW1 2DB, England