Teletypewriter switching and relay procedure. (open access)

Teletypewriter switching and relay procedure.

Describes Army procedures "for establishment, control, and termination of teletypewriter connections involving one more more manual switching centrals" as well as relaying sets of messages through reperforator centrals.
Date: September 19, 1944
Creator: United States. War Department.
System: The UNT Digital Library
Dog transportation. (open access)

Dog transportation.

A manual describing the use of sled dogs as a means of military transportation in Arctic regions.
Date: August 19, 1943
Creator: United States. War Department.
System: The UNT Digital Library
Pneumatic ponton bridge M3 (open access)

Pneumatic ponton bridge M3

Discusses the purpose and usage of the pneumatic pontoon bridge M3 by infantry in the field. Covers construction, deployment, and maintenance.
Date: April 19, 1943
Creator: United States. War Department.
System: The UNT Digital Library