Title: Masters of Space
First published: 1917
Subjects: Radio, Telegraph, Wireless Telegraph, Telephone
People: Guglielmo Marconi marchese (1874-1937), William Thomson Kelvin Baron (1824-1907), Alexander Graham Bell (1847-), John J. Carty (1861-), Samuel Finley Breese Morse (1791-1872)
LC classification: TK5241 .T6  Copy 2