Armament Service and Instruction Manual, B-24D, 1943
This is an original WWII-era Armament Service and Instruction Manual for the Consolidated B-24D Liberator heavy bomber of the US Army Air Force, copyrighted in 1943. It is in exceptional condition. At almost 200 pages, the manual details instructions for operating and servicing the B-24D's Bombing Equipment, Defensive Armament, Turret Operation (4 chapters worth).and a ~50 page supplement on the 50 Cal machine gun.
The manual is hard-bound, and in exceptional condition given its age.