The telegraph manual
Subtitle: a complete history and description of the semaphoric, electri and magnetic telegraphs of Europe, Asia, Africa, and America, ancient and modern.
By: With six hundred and twenty-five illustrations ... By Tal. P. Shaffner.
Publisher: Pudney & Russell; [etc., etc.]
Published: 1859
Place of publication: New York
Language: eng
Number of pages: 850
Subjects: Telegraph.