Beardslee's military telegraph
Subtitle: the history of its invention, introduction, and adoption by the government of the United States. Office of the Beardslee Magneto-Electric Co. ...
Contributors: Beardslee, George W.
Publisher: John A. Gray & Green, printers, stereotypers, and binders
Published: 1863
Place of publication: New York
Language: eng
Number of pages: 21
Subjects: Military telegraph -- United States.