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  Partner: UNT Libraries Government Documents Department
 Year: 1972
 Serial/Series Title: National Bureau of Standards Metric Kit
 Collection: Technical Report Archive and Image Library
[United States National Bureau of Standards Ruler]

[United States National Bureau of Standards Ruler]

Date: December 1972
Creator: United States. National Bureau of Standards.
Description: Ruler issued by the United States National Bureau of Standards. The front includes measurements in centimeters (to 15) and inches (to 6); there is text on the back comparing metric and customary units for length, volume, and weight.
Contributing Partner: UNT Libraries Government Documents Department