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open access

Sheep-killing dogs.

Description: Describes the problems posed by sheep-killing dogs and their habits. Discusses control methods, including dog-proof fencing and law enforcement. Provides suggestions for uniform state dog laws, and a summary of existing state dog laws.
Date: February 1941
Creator: Simmons, V. L. (Victor Leonidas), 1901-
Partner: UNT Libraries Government Documents Department
open access

Soybean hay and seed production.

Description: Describes efficient methods for soybean hay and seed production enabled by newly improved farm equipment in the early 20th century.
Date: 1941
Creator: Morse, W. J. (William Joseph), b. 1884
Partner: UNT Libraries Government Documents Department
open access

Making vinegar in the home and on the farm.

Description: A guide to making vinegar at home. Includes a description of the materials used and the process, as well as the federal regulations governing the manufacture and sale of vinegar in 1936.
Date: 1941
Creator: LeFevre, Edwin, 1859-1929
Partner: UNT Libraries Government Documents 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.
Partner: UNT Libraries Government Documents 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.
Partner: UNT Libraries Government Documents 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.
Partner: UNT Libraries Government Documents 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.
Partner: UNT Libraries Government Documents 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.
Partner: UNT Libraries Government Documents Department
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