Testing of magnetic compasses

Author: Sanford, Raymond Laraway,
Year: 1920
Document Type: BOSA
Issuing Agency: U.S. Dept. of Commerce, Bureau of Standards :
SUDOC: C 13.3/a:382
Series: Scientific Papers of the Bureau of Standards ;
Report Number: no. 382
Subject: Compass
Link: https://hdl.handle.net/2027/mdp.39015086549980

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