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.

Contains a description of procedures for "inspection and repair, and necessary disassembly and assembly of hull and track suspension group." This information pertains only to 155-mm gun motor carriage and the 8-inch howitzer motor carriage.

A general guide to piloting a free balloon.

A training manual designed to teach aerial photography for military purposes.

Describes the types of "materials and hardware used in aircraft construction and repair."

Discusses the principles, classification, description, and construction of internal combustion engines used in military aircraft. Includes instructions for storage of engines.

"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.)

Describes aircraft engine systems, fuels, and lubricants.

Discusses woodworking in aircraft manufacturing in general, and in detail the characteristics of wood, the glue and hardware necessary, hand tools and machines, as well as repair of the aircraft.

"The purpose of this manual is to furnish to mechanics, inspectors, and other personnel, ..., the necessary information relative to the inspection of airplanes, airplane engines, and auxiliary equipment."

A handbook for aircraft armorers, describing the fundamentals of using aircraft gun sights.

"These instructions are published for the information and guidance of all personnel charged with the operation and maintenance of the McIntosh Electric Corporation Model No. 5018 of Sinusoidal Machine, Portable, for Galvanic, Faradic and Rapid Sinusoidal Currents, 110-Volt, 60-Cycle, Medical Department item No. 7132005 ... in the field. They contain information on the operation and maintenance of the equipment ...."

Describes the components and maintenance of two types of dental x-ray machines.

Contains detailed instructions for the inspection, maintenance, and repair of six types of caliber .50 Browning machine guns.

Provides instructions for inspection, disassembly and assembly, and maintenance and repair of 3-inch antiaircraft gun matériel, including the use of special repair tools.

Contains instructions for inspection, assembly, disassembly, maintenance, and repair of plotting boards for field artillery.

Describes the Prismatic Compass, M1918 and provides instructions for its operation, maintenance, and its functions in relation to various types of field artillery.

A guide to the assembly, operation, maintenance, and packing of the Portable Electro-Surgical Unit issued by the Army Medical Department.

A guide to the assembly, operation, maintenance, and repair of two types of oxygen therapy equipment.

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.

Provides instructions for the inspection, assembly, disassembly, maintenance, and repair of the compass M2, the standard compass of the Field Artillery.

Discusses the azimuth instruments M1918 and M1918A2 in terms of their purposes, operations, maintenance, assembly, disassembly, and repair.

"In addition to a description of the Browning machine gun, caliber .50, M2, aircraft, fixed and flexible, this manual contains technical information required for the identification, use, and care of the materiel."

"In addition to a description of the 20-mm aircraft gun matériel M1 and M2, this manual contains technical information required for the identification, use, and care of the matériel."