Handbook of aircraft armament.
By: Bureau of aircraft production, Air service, U. S. army.  August 1918.
Publisher: Govt. print. off.
Published: 1918
Place of publication: Washington
Language: eng
Subjects: Airplanes, Military -- Armament.; Aeronautics, Military -- United States.; Machine guns.
Other titles: Aircraft armament.
Notes: "List of reference books": p. 7.
At head of title: Confidential.
Loose-leaf.
"This book is number 324."