Mollier Chart of Properties of Ammonia, 1923 (open access)

Mollier Chart of Properties of Ammonia, 1923

Mollier chart of properties of ammonia.
Date: May 1, 1923
Creator: United States. Bureau of Standards.
System: The UNT Digital Library
Strain Lines Developed by Compressive Tests on Structural Members of the Delaware River Bridge at the United States Bureau of Standards for the Delaware River Bridge Joint Commission (open access)

Strain Lines Developed by Compressive Tests on Structural Members of the Delaware River Bridge at the United States Bureau of Standards for the Delaware River Bridge Joint Commission

Strain lines illustrations from Delaware River Bridge.
Date: March 10, 1926
Creator: United States. Bureau of Standards.
System: The UNT Digital Library
Guide Chart for Carbon Brush Terminals (Electric) (open access)

Guide Chart for Carbon Brush Terminals (Electric)

Diagrams and tolerances in inches for different size terminals.
Date: June 1, 1945
Creator: United States. Bureau of Standards.
System: The UNT Digital Library