Examination of the telegraphic apparatus and the processes in telegraphy,
Publisher: Scholarly Publishing Office, University of Michigan Library
Published: December 20, 2005
Language: eng
Format: Paperback
Number of pages: 168
ISBN-13: 9781425512996
Subjects: History / United States / General
First sentence: The telegraph, in the comprehensive sense in which it is usually but erroneously applied to all modes of communicating at a distance, is a very ancient invention, and in this expanded general sense cannot therefore be claimed by any modern inventor.