Symbols of Service: Wear Them Proudly & Properly!

Poster which "represents in correct order of precedence, ribbons and devices most likely to be worn by members of today's Air Force" (top of poster), with an image and label for each.
Date: September 1985
Creator: United States. Department of the Air Force.
System: The UNT Digital Library

The Modernized Metric System: the International System of Units-SI

Revised wall chart of the seven base units of the modernized metric system, including length, mass, time, electric current, temperature, amount of substance, luminous intensity, and plane angle.
Date: August 1981
Creator: United States. National Bureau of Standards.
System: The UNT Digital Library

Binary Phase Diagrams of Transition Elements

Chart issued by the U.S. National Bureau of Standards illustrating the systematic relationships between phase diagrams of transition elements. This chart includes color illustrations.
Date: May 1980
Creator: Waterstrat, Richard M.
System: The UNT Digital Library