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
The International Metric System of Weights and Measures (open access)

The International Metric System of Weights and Measures

General overview of the metric system.
Date: May 26, 1932
Creator: unknown
System: The UNT Digital Library
Paint for Priming Plaster Surfaces (open access)

Paint for Priming Plaster Surfaces

Results of commercial and experimental paints tested on plaster, concrete, and other porous surfaces.
Date: August 31, 1932
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