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Signal book, United States Army. 1914

United States Signal Corps logo on cover. Cover pockets for notes and memoranda. War dept. doc. no. 464. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile ...
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The Signal Corps and Air Service. a study of their expansion in the United States, 1917-1918 / prepared in the Historical Section, the Army War College, July, 1922

On title page verso: War Department. Document no. 1109. The Adjutant General's Office. Part I. The Signal Corps: Earlier history of the Signal Corps -- Organization of the Signal Corps immediately ...