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open access

Suction apparatus : portable, electric.

Description: Contains information on the operation and maintenance of five types of portable electric suction apparatus used to remove blood and other fluids from body cavities during surgery.
Date: May 1945
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.
open access

Vocational teaching.

Description: "This manual is designed to help officers in the armed forces, enlisted men, or civilian instructors who are to teach for the first time." Discusses student characteristics, various aspects of teaching, and testing.
Date: September 30, 1943
Creator: United States. War Department.
open access

Water heaters : inspection and preventive maintenance service.

Description: "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.
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