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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.
Item Type: Book
Partner: UNT Libraries Government Documents Department

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.
Item Type: Book
Partner: UNT Libraries Government Documents Department

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.
Item Type: Book
Partner: UNT Libraries Government Documents Department

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.
Item Type: Book
Partner: UNT Libraries Government Documents Department

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.
Item Type: Book
Partner: UNT Libraries Government Documents Department

Aerial photography.

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

Determining the age of farm animals by their teeth.

Description: A guide to determining the approximate age of livestock by observing the apparent development and wear of their teeth.
Date: 1941
Creator: Pope, George W. (George Whitfield), 1867-
Item Type: Book
Partner: UNT Libraries Government Documents Department

Gas treatment for the control of blue mold disease of tobacco.

Description: Recommends the use paradichlorbenzene gas for treatment of blue mold disease of tobacco, and provides instructions for using it.
Date: January 1941
Creator: Clayton, Edward E.; Gaines, John G. (John Gordon), 1900-; Shaw, Kendall J.; Smith, Thomas Earle, 1910- & Graham, T. W. (Thomas William), 1905-
Item Type: Book
Partner: UNT Libraries Government Documents Department

Control of sugar-beet nematode by crop rotation.

Description: Summarizes the results of several years of field investigations of the sugar-beet nematode. Describes its life cycle, host plants, causes of infestation, and methods of control.
Date: 1941
Creator: Thorne, Gerald, 1890-
Item Type: Book
Partner: UNT Libraries Government Documents Department

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
Item Type: Book
Partner: UNT Libraries Government Documents Department

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.
Item Type: Book
Partner: UNT Libraries Government Documents Department

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-
Item Type: Book
Partner: UNT Libraries Government Documents Department

Clearing land of brush and stumps.

Description: Discusses methods and equipment for removing and disposing of brush and tree stumps from farm land in preparation for plowing.
Date: 1941
Creator: Boyd, Geo. R. (George Ray), 1883-1952
Item Type: Book
Partner: UNT Libraries Government Documents Department

Establishing cranberry fields.

Description: Describes the requirements for growing cranberries and provides instructions for establishing cranberry fields.
Date: 1941
Creator: Darrow, George M. (George McMillan), 1889-; Franklin, Henry J. (Henry James), 1883-1958. & Malde, O. G. (Ole Gustav), 1880-
Item Type: Book
Partner: UNT Libraries Government Documents Department

Home canning of fruits, vegetables and meats.

Description: Describes the equipment needed, and the necessary steps to successfully can meats, vegetables, and fruits.
Date: May 1941
Creator: Stanley, Louise, 1883-1954.; Stienbarger, Mabel C. & Shank, Dorothy Esther, 1890-
Item Type: Book
Partner: UNT Libraries Government Documents Department

The treatment of American foulbrood.

Description: Describes the threat that American foulbrood can cause to bee colonies, and the steps beekeepers can take to treat the disease.
Date: 1941
Creator: Hambleton, James I. (James Isaac), 1895-
Item Type: Book
Partner: UNT Libraries Government Documents Department

Pocket-gopher control.

Description: Describes the characteristics of the pocket gopher, the damage it can cause to farm crops, and methods of control.
Date: 1941
Creator: Crouch, W. E. (Winney Elmer), 1891-
Item Type: Book
Partner: UNT Libraries Government Documents Department

Hibernation of the corn earworm in southeastern Georgia.

Description: Discusses the results of a study of the hibernation of the corn earworm in Chatham County, Georgia from 1930 to 1933. The study was conducted in an effort to understand seasonal occurences of earworm infestation.
Date: October 1941
Creator: Barber, G. W. (George W.)
Item Type: Book
Partner: UNT Libraries Government Documents Department

Field studies of insecticides used to control cabbage caterpillars in the South.

Description: Describes the damage that cabbage caterpillars can cause to plants, and provides the results of scientific research on insecticides to control the caterpillars in the southern United States.
Date: November 1941
Creator: Reid, W. J. (William John), 1902-; Smith, Charles Egan, 1887-; Reed, L. B. (Lucius Brown), 1906- & Thomas, W. A. (William Andrew), 1883-
Item Type: Book
Partner: UNT Libraries Government Documents Department

The biology and control of the sorghum midge.

Description: Describes the life cycle of the sorghum midge, its history in the United States, the damage it can cause to plants, and the steps farmers can take to control the pest and its damage.
Date: July 1941
Creator: Walter, E. V. (Elmer Valentine), 1891-
Item Type: Book
Partner: UNT Libraries Government Documents Department

The yellow chapote, a native host of the Mexican fruitfly.

Description: Describes the yellow chapote tree that grows in southern Texas and Mexico, its uses and benefits, and the damage that the Mexican fruitfly causes to the tree.
Date: July 1941
Creator: Plummer, C. C.; McPhail, M. & Monk, J. W.
Item Type: Book
Partner: UNT Libraries Government Documents Department

Growing black locust trees.

Description: Discusses the practice of growing black locust trees for profit in the timber industry as a method of erosion control and soil building. Provides suggestions for watering, weeding, insect and disease control, and marketing of seedlings.
Date: January 1941
Creator: United States. Dept. of Agriculture.
Item Type: Book
Partner: UNT Libraries Government Documents Department