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open access

Aircraft radio shop practice.

Description: Discusses maintenance and repair of the component parts of aircraft radio equipment, and the correct use of tools.
Date: May 1, 1942
Creator: United States. War Department.
open access

Browning machine gun caliber .50, M2, aircraft, fixed and flexible.

Description: "In addition to a description of the Browning machine gun, caliber .50, M2, aircraft, fixed and flexible, this manual contains technical information required for the identification, use, and care of the materiel."
Date: April 30, 1942
Creator: United States. War Department.
open access

20-MM aircraft gun matériel M1 and M2.

Description: "In addition to a description of the 20-mm aircraft gun matériel M1 and M2, this manual contains technical information required for the identification, use, and care of the matériel."
Date: April 2, 1942
Creator: United States. War Department.
open access

Airplane structures.

Description: Describes structural details of service airplanes used by the Army Air Corps, sufficient for personnel to perform inspection and maintenance of their equipment.
Date: October 29, 1941
Creator: United States. War Department.
open access

Heat treating and inspection of metals

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.
Date: September 10, 1941
Creator: United States. War Department.
open access

Ordnance maintenance : prismatic compass, M1918.

Description: Describes the Prismatic Compass, M1918 and provides instructions for its operation, maintenance, and its functions in relation to various types of field artillery.
Date: July 17, 1941
Creator: United States. War Department.
open access

Orientation

Description: Provides a text and reference book covering the principles of orientation. Orientation is defined as "the accurate location of datum points and the establishment of lines of known length and direction".
Date: July 15, 1941
Creator: United States. War Department.
open access

Aerial photography.

Description: A training manual designed to teach aerial photography for military purposes.
Date: July 8, 1941
Creator: United States. War Department.
open access

75-mm howitzer materiel.

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.
Date: June 21, 1941
Creator: United States. Army. Ordnance Department.
open access

Airship aerodynamics.

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.)
Date: February 11, 1941
Creator: United States. War Department.
open access

Lathes

Description: A guide to the operation and maintenance of lathes for general shop work.
Date: November 29, 1940
Creator: United States. Army. Air Corps.
open access

Railway shop battalion.

Description: "This manual explains the organization and operation of railway shop battalion for employment on a standard military railway. Its purpose is to assist railway shop battalion officers in the training and operation of their units, and to guide command and staff officers charged with the employment of railway shop battalions."
Date: November 29, 1940
Creator: United States. War Department. Office of the Chief of Engineers.
open access

Grinding machines

Description: This report provides the definition of grinding and discusses different processes, types, and operations of grinding.
Date: November 26, 1940
Creator: United States. Army. Air Corps.
open access

Notes on physiology in aviation medicine.

Description: Discusses the physical effects of flight, and the mechanics and chemistry of respiration.
Date: October 21, 1940
Creator: United States. War Department.
open access

Theory of ballooning.

Description: A general guide to piloting a free balloon.
Date: April 25, 1940
Creator: United States. War Department.
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