Masters of space: Morse and the telegraph; Thompson and the cable; Bell and the telephone; Marconi and the wireless telegraph; Carty and the wireless telephone;
A popular history of electrical communication by Walter Kellogg Towers, published by Harper & Brothers in New York and London in 1917 for general and young readers following the inventors of the telegraph, cable, telephone and wireless. Halftone plates pair oval portraits of bearded inventors with straight-on photographs of early apparatus" wooden-based sounders, coil relays, frame-mounted recording instruments "giving designers period scientific hardware and studio portrait vignettes in soft grey tone.
