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 [electronic resource] /
Walter Kellogg Towers
- Project Gutenberg, 2004
- Project Gutenberg 12375 .
Public domain in the USA.
Electronic text
Morse, Samuel Finley Breese, 1791-1872 Kelvin, William Thomson, Baron, 1824-1907 Carty, John J. (John Joseph), 1861-1932 Telephone Telegraph, Wireless Marconi, Guglielmo, marchese, 1874-1937 Radio Telegraph Bell, Alexander Graham, 1847-1922