"Darra Compass Corrector and Method"

compass corrector

INSTRUMENTS
W. T. Darrach Co.
USA, NJ, Trenton
1961
wood; metal
overall: 7 1/2 x 7 1/2 x 3 1/4 in.

Darra Compass Corrector and Method made by W. T. DArrach Co, Trenton, NJ. Metal instrument has white face with black printing; gimballed; in square wooden box with 2 hooks for lid 2002.42.2.

2002.42.1