Automatic Recording Unit (open access)

Automatic Recording Unit

From abstract: The PT-750 is designed to be used in conjunction with a production tester which requires automatic recording of test data. This manual provides a source of procedures and reference material necessary in automatic recording and in use of the PT-750.
Date: March 29, 1960
Creator: Ross, Frank A.
System: The UNT Digital Library
Interim Report on Investigation of Dynamic Characteristics of Relays: September-October 1959 (open access)

Interim Report on Investigation of Dynamic Characteristics of Relays: September-October 1959

From scope of work: This report investigates the dynamic characteristics of sealed military type relays as affected by applied coil voltage and/or current, temperature, spring tension, contact force, contact overtravel, and mechanical clearances.
Date: January 1960
Creator: unknown
System: The UNT Digital Library