Washington: Government Printing Office, 1918. First Edition. Fold-out plans, tables, photographs. Original cloth. Octavo. 96 pages. Near Fine. Bound in coarse tan cloth over boards, with title printed in black on upper board. Contemporaneous prior owner name in ink on front pastedown.
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 sights, bombs, bomb-release mechanism, bomb sighting, ammunition, pyrotechnics, and small arms. Three fold-out plates, one of which is a detailed and colored schematic of the Lewis machine gun. Notice on the first page warns that this book "...is issued for the instruction and guidance of all concerned, and contains information of military importance, none of which may be copied, printed, or published, under any conditions." Only 16 copies located in OCLC as of 10/1/2019.