8 steps in grading soybeans : under revised standards, effective September 1, 1949. (open access)

8 steps in grading soybeans : under revised standards, effective September 1, 1949.

An explanation of the process used by U.S. federal grain inspectors to grade soybeans. Factors include odor, weevil or garlic infestation, moisture, weight per bushel, foreign material, mixed colors, splits, and damage.
Date: June 1949
Creator: United States. Extension Service.
System: The UNT Digital Library
Our Remaining Land: We Can Use It and Save It. (open access)

Our Remaining Land: We Can Use It and Save It.

Discusses the condition of the remaining productive land in the United States and the risk of losing it to soil erosion. Describes conservation efforts including the use of land standards in conservation planning.
Date: June 1949
Creator: United States. Soil Conservation Service.
System: The UNT Digital Library
It could happen again. (open access)

It could happen again.

Describes the importance of soil conservation practices and their effect on wheat production.
Date: June 1948
Creator: United States. Department of Agriculture. Production and Marketing Administration.
System: The UNT Digital Library
Wheat crop insurance : (commodity coverage) (open access)

Wheat crop insurance : (commodity coverage)

Describes federal insurance for farmers that offers commodity coverage of wheat crops.
Date: June 1948
Creator: Federal Crop Insurance Corporation
System: The UNT Digital Library
Wheat crop insurance : (monetary coverage) (open access)

Wheat crop insurance : (monetary coverage)

Describes a federal insurance program that provides monetary coverage against farm risks.
Date: June 1948
Creator: Federal Crop Insurance Corporation
System: The UNT Digital Library
Steam and Hot-Water Heating Plants: Inspection and Preventive Maintenance Service (open access)

Steam and Hot-Water Heating Plants: Inspection and Preventive Maintenance Service

"This Technical Manual is a guide to first and second echelon maintenance services of domestic type steam and hot-water boilers and heating systems." Discusses methods of training personnel, operation and preventive maintenance, procedures for placing equipment in service and for taking it temporarily out of service, and inspections.
Date: June 1947
Creator: United States. War Department.
System: The UNT Digital Library
Warm-air furnaces : inspection and preventive maintenance service. (open access)

Warm-air furnaces : inspection and preventive maintenance service.

A guide to maintenance of warm-air furnaces. Discusses methods of training, duties of the user, inspection, and maintenance.
Date: June 1947
Creator: United States. War Department.
System: The UNT Digital Library
Water heaters : inspection and preventive maintenance service. (open access)

Water heaters : inspection and preventive maintenance service.

"This technical manual is a guide to first and second echelon maintenance of domestic hot-water supply systems." Discusses methods of training maintenance personnel, preventive maintenance for users, and inspections.
Date: June 1947
Creator: United States. War Department.
System: The UNT Digital Library
Space heaters : repairs and utilities. (open access)

Space heaters : repairs and utilities.

"This Technical Manual provides information on construction, installation, operation, and maintenance of Army space heaters used in the zone of interior."
Date: June 1946
Creator: United States. War Department.
System: The UNT Digital Library
Fiscal years of state and local governments. (open access)

Fiscal years of state and local governments.

Discusses variations in the fiscal reporting periods used by state and local governments. Contains tables describing the fiscal year endings of various types of governments in the United States.
Date: June 1945
Creator: United States. Bureau of the Census.
System: The UNT Digital Library
Roofing : repairs and utilities (open access)

Roofing : repairs and utilities

"This technical manual discusses the principal causes of failures of roofs on Army Buildings, outlines methods of repairing and renovating roofs and flashings, and describes reroofing."
Date: June 1945
Creator: United States. War Department.
System: The UNT Digital Library
Signal heavy construction battalion. (open access)

Signal heavy construction battalion.

Provides "information concerning the organization, operation, and capabilities of the signal heavy construction battalion to signal and communication officers and enlisted men of these battalions, and to all other interested personnel."
Date: June 1945
Creator: United States. War Department.
System: The UNT Digital Library
Engineer soldier's handbook. (open access)

Engineer soldier's handbook.

Describes the tools and tasks of the engineer soldier. Includes a proficiency test for soldiers in training.
Date: June 2, 1943
Creator: United States. War Department.
System: The UNT Digital Library
The ecology of the principal summer weed hosts of the beet leafhopper in the San Joaquin Valley, California. (open access)

The ecology of the principal summer weed hosts of the beet leafhopper in the San Joaquin Valley, California.

Describes the results of a scientific study on the effect of summer weeds on crops (mainly sugar beets and tomatoes) and the use of the beet leafhopper to reduce their growth in the San Joaquin Valley in California.
Date: June 1943
Creator: Lawson, Francis R. (Francis Raymond), 1906- & Piemeisel, R. L.
System: The UNT Digital Library
Ordnance maintenance : Browning machine gun, caliber .50, all types (open access)

Ordnance maintenance : Browning machine gun, caliber .50, all types

Contains detailed instructions for the inspection, maintenance, and repair of six types of caliber .50 Browning machine guns.
Date: June 12, 1942
Creator: United States. War Department.
System: The UNT Digital Library
Aircraft hardware and materials. (open access)

Aircraft hardware and materials.

Describes the types of "materials and hardware used in aircraft construction and repair."
Date: June 11, 1942
Creator: United States. War Department.
System: The UNT Digital Library
Ordnance maintenance : azimuth instrument M1918 and M1918A2 (open access)

Ordnance maintenance : azimuth instrument M1918 and M1918A2

Discusses the azimuth instruments M1918 and M1918A2 in terms of their purposes, operations, maintenance, assembly, disassembly, and repair.
Date: June 11, 1942
Creator: United States. War Department.
System: The UNT Digital Library
Maintenance policies, publications, and forms. (open access)

Maintenance policies, publications, and forms.

Designed to familiarize Army Air Forces personnel with publications, forms, and policies, in order to ensure efficient aircraft maintenance and standardized practices.
Date: June 8, 1942
Creator: United States. War Department.
System: The UNT Digital Library
Work clothes for women. (open access)

Work clothes for women.

Discusses design, fabric, and function of work clothes for women during wartime. Features designs by the Bureau of Home Economics which were released to the public through retail outlets as commercial patterns or as ready-to-wear garments. Includes line drawings and photographs, and features convertible clothing designs.
Date: June 1942
Creator: Scott, Clarice L. (Clarice Louisba), b. 1899
System: The UNT Digital Library
75-mm howitzer materiel. (open access)

75-mm howitzer materiel.

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.
System: The UNT Digital Library
Biology of the seed-corn maggot in the coastal plain of the South Atlantic states (open access)

Biology of the seed-corn maggot in the coastal plain of the South Atlantic states

Describes the seed-corn maggot of the south Atlantic states at different stages of life, its history, and its habits.
Date: June 1940
Creator: Reid, W. J. (William John), 1902- & Hall, D. G.
System: The UNT Digital Library
Fires on Farms. (open access)

Fires on Farms.

Describes what can cause fires on the farm, steps to reduce fire hazards, and equipment needed to fight home fires.
Date: June 1940
Creator: Roethe, Harry E. (Harry Edward), 1891-1989
System: The UNT Digital Library
Hog-lot equipment. (open access)

Hog-lot equipment.

Provides descriptions and instructions for building many types of equipment used for raising hogs. Includes fencing, feeding equipment, shelters, pest treatment equipment, breeding crates, and transportation equipment.
Date: June 1940
Creator: Russell, E. Z. (Ellsworth Zouave), 1866- & Buckley, S. S. (Samuel Sutherland), 1873-
System: The UNT Digital Library
Rhubarb Forcing. (open access)

Rhubarb Forcing.

Describes methods of forcing rhubarb, using methods developed in Massachusetts and Michigan.
Date: June 1940
Creator: Beattie, James H. (James Herbert), b. 1882 & Beattie, W. R. (William Renwick), b. 1870
System: The UNT Digital Library