$148
Acme Course Corrector, Sea Emergency Devices Co. , New York, 10-in. dia. brass finished aluminum disc with calibrated rings, the outer fixed ring representing the true compass, moveable inner ring representing the magnetic compass and the center graduated 0-360 degrees representing the ship's compass and a rotating indicator arm in the original box with operating instructions.
Auctioneer:
Skinner
Date:
2010-05-01