Publication

1940 - U.S. Govt. Print. Off., Washington, District of Columbia

Language

English

Word Count

7,250 words, Guess

Page Count

29 pages

Identifiers

Classifications

  • LCCQC100 .U555 no. 427

Subjects

Topics

Series Statement

  • U.S. National Bureau of Standards. Circular of the National Bureau of Standards C427

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