Instructions for using heliograph of Signal Corps, U.S. Army, authorized by G.O. No. 99, 1888, amended by G.O. No. 59, 1889, and G.O. No. 32, 1896, Headquarters of Army, Adjutant-General's Office.

Bibliographic Details
Corporate Author: United States. Army. Signal Corps
Format: Government Document eBook
Language:English
Published: Washington, DC : U.S. Government Printing Office, 1897.
Edition:Revised ed.
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