Compass corrector instruction sheet
instruction sheet
EPHEMERAW. T. Darrach Co.
USA, NJ, Trenton
1961
paper
overall: 11 x 8 1/2 in.
Printed instructions for the use of the Darra Compass Correctors by the W. T. Darrach Co. One sheet printed on both sides; yellowed; upper right corner has yellowed cellophane tape. Copyright 1961 Instrument and Method U. S. Patent 2558934.
2002.42.4