An historical sketch of Henry's contribution to the electro-magnetic telegraph
An edition of An historical sketch of Henry's contribution to the electro-magnetic telegraph (1879)
with an account of the origin and development of Prof. Morse's invention
By William B. Taylor
Publish Date
1879
Publisher
Gov't print. off.
Language
eng
Pages
103
Description:
subjects: Telegraph, History, Telecommunications, Inventions, History, 19th Century
People: Joseph Henry (1797-1878)