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
Sugar as food. (open access)

Sugar as food.

Discusses the sources of sugar, its uses, and its chemical composition.
Date: December 21, 1906
Creator: United States. Dept. of Agriculture.
System: The UNT Digital Library
Command and employment of air power. (open access)

Command and employment of air power.

Discusses the relationship of land and air forces and doctrine of command and employment in regards to air power as well as five aspects of air command.
Date: July 21, 1943
Creator: United States. War Department.
System: The UNT Digital Library
Ordnance maintenance : plotting boards for field artillery (open access)

Ordnance maintenance : plotting boards for field artillery

Contains instructions for inspection, assembly, disassembly, maintenance, and repair of plotting boards for field artillery.
Date: May 21, 1942
Creator: United States. War Department.
System: The UNT Digital Library
Livens projector MI. (open access)

Livens projector MI.

"This manual is intended for the using services. It gives all necessary information about the construction, function, and identification of all standard materiel pertaining to the Livens projector MI assembly, with directions for shipping and storage."
Date: August 21, 1942
Creator: United States. War Department.
System: The UNT Digital Library
Notes on physiology in aviation medicine. (open access)

Notes on physiology in aviation medicine.

Discusses the physical effects of flight, and the mechanics and chemistry of respiration.
Date: October 21, 1940
Creator: United States. War Department.
System: The UNT Digital Library
Conduct of field artillery fire using air observation. (open access)

Conduct of field artillery fire using air observation.

"This manual covers the methods and procedure for the control of field artillery fire using air observation."
Date: March 21, 1942
Creator: United States. War Department.
System: The UNT Digital Library