Who invented the telephone?
By: By William Aitken, M.I.E.E.
Publisher: Blackie and son limited
Published: 1939
Place of publication: London; Glasgow
Language: eng
Number of pages: 196
Subjects: Bell, Alexander Graham, 1847-1922.; Gray, Elisha, 1835-1901.; Telephone -- History.
Notes: "First published 1939."