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  Partner: UNT Libraries Government Documents Department
 Year: 1941
 Serial/Series Title: War Department technical manual
 Collection: World War Two Collection
75-mm howitzer materiel.

75-mm howitzer materiel.

Date: June 21, 1941
Creator: United States. Army. Ordnance Dept.
Description: This is a World War II-era technical manual for the 75mm Howitzer. It contains information on use, maintenance, assembly, and other aspects of this weapon.
Contributing Partner: UNT Libraries Government Documents Department
Aerial photography.

Aerial photography.

Date: July 8, 1941
Creator: United States. War Dept.
Description: A training manual designed to teach aerial photography for military purposes.
Contributing Partner: UNT Libraries Government Documents Department
Airship aerodynamics.

Airship aerodynamics.

Date: February 11, 1941
Creator: United States. War Dept.
Description: "This manual is designed as a text for the instruction of airship student pilots .... to give the knowledge of aerodynamics essential to the operation of [lighter than air aircraft]."(Page 2.)
Contributing Partner: UNT Libraries Government Documents Department
Heat treating and inspection of metals

Heat treating and inspection of metals

Date: September 10, 1941
Creator: United States. War Dept.
Description: This report discusses these topics: I. Principles of heat treating -- II. Heat-treating equipment -- III. General heat treatment of steel -- IV. Specific heat treatments for aircraft steels -- V. General heat treatment of aluminum alloys -- VII. Hardness testing -- VIII. Magnaflux inspection.
Contributing Partner: UNT Libraries Government Documents Department