Automotive Antifreezes (open access)

Automotive Antifreezes

From abstract: "A report on when antifreeze should be installed, what strength should be used, and what kind of antifreeze is best suited to the service involved."
Date: November 10, 1948
Creator: Brooks, Donald B. & Streets, Ronald E.
System: The UNT Digital Library
Table and Mollier chart for ammonia below -60° F (open access)

Table and Mollier chart for ammonia below -60° F

A report containing a table and Mollier chart for ammonia below -60° F.
Date: November 1, 1948
Creator: Meyers, Cyril H.
System: The UNT Digital Library
High-Frequency Voltage Measurement (open access)

High-Frequency Voltage Measurement

Fundamental principles and techniques used for voltage measurements primarily for frequencies in the upper audio- and radio-frequency ranges and including part of the ultrahigh frequency range.
Date: September 1, 1949
Creator: Selby, Myron C.
System: The UNT Digital Library