Dunsheath, Percy, 1886- A history of electrical engineering / Percy Dunsheath - London : Faber and Faber, 1962. - 368 p. : ill. ; 23 cm. - Technology today and tomorrow . - Technology today and tomorrow . Includes index and bibliography. Subjects--Topical Terms: Electrical engineering--History.Electricity--History. Dewey Class. No.: 621.3 / DUH 1962