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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

Adobe or sun-dried brick for farm buildings.

Description: Describes an efficient method of making and using adobe in the form of sun-dried bricks; describes how adobe bricks can be used in different parts of a building, such as: the roof, the boundary walls, the foundation, etc.
Date: August 1949
Creator: Miller, T. A. H. (Thomas Arrington Huntington), 1885- & Molander, Edward G.
open access

Aircraft engines.

Description: Discusses the principles, classification, description, and construction of internal combustion engines used in military aircraft. Includes instructions for storage of engines.
Date: January 1945
Creator: United States. War Department.
open access

Aircraft woodwork.

Description: Discusses woodworking in aircraft manufacturing in general, and in detail the characteristics of wood, the glue and hardware necessary, hand tools and machines, as well as repair of the aircraft.
Date: December 22, 1942
Creator: United States. War Department.
open access

Airplane inspection guide.

Description: "The purpose of this manual is to furnish to mechanics, inspectors, and other personnel, ..., the necessary information relative to the inspection of airplanes, airplane engines, and auxiliary equipment."
Date: August 17, 1943
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

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

Alfalfa.

Description: A guide to growing and using alfalfa on the farm. Includes recommendations for different regions of the United States.
Date: 1921
Creator: United States. Department of Agriculture.
open access

Alkali Lands.

Description: Summarizes an 1898 study of the problem of alkaline soil conditions as the result of irrigation in Montana.
Date: 1909
Creator: United States. Department of Agriculture.
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