Circulars

                             To Radio Communication Pamphlets     
                             To Wire Communication Pamphlets
                             To Training Pamphlets
                             To Electrical-Engineering Pamphlets
                             To Signal Corps Manuals

These are Circulars of the Office of the Chief Signal Officer

• Circular no.1: Radiotelegraphy, Jan. 1, 1914, revised May, 1915

CIR-01

• Circular no.8: The Service of Information United States Army, 1915

CIR-08