Confidential_ Handbook of Aircraft Armament, August, 1918
Washington: Government Printing Office, 1918. First Edition. Fold-out plans, tables, photographs. Original cloth. Octavo. 96 pages. Scarce, Confidential manual on the weaponry associated with U. S. Army aircraft and pilots in World War I. Sections on the Marlin, the Lewis, and the Vickers aircraft machine guns, synchronizing gears, machine gun..... More