Multiplex telephony and telegraphy by means of electric waves guides by wires / G.O. Squier Sailing directions for New Guinea and the islands eastward of Celebes and Timor digest of opinions of the Judge Advocate General of the army : 1912-1940 ordnance maintenance - mobile artillery 155-mm. Howitzer matériel, M1917 and M1918 Flying cadets of the Air Corps : aviation as a career Message from the President of the United States transmitting pursuant to law, a report of the Federal Aviation Commission containing its recommandations of a broad … technical regulations homing pigeon Telephone switchboard operator : instructors guide for all arms / prepared under the direction of the chief signal officer men-at-arms series George Washington's army / text by Peter Young ; colour plates by Michael Roffe Heavy duty rescue course : IG-14-3 (instructor's guide) / Federal Civil Defense Administration Basic rescue course : instructor's guide IG 14-1 / Federal Civil Defense Administration training regulations / war department Scouting and patrolling / War Department
