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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
Coasting Computer & Cross Drift Detector
American Hydromath Company for the U.S. Maritime Commission
USA
Plastic
c. 1944
Dia. = 15.2 cm
Nautical
Notes:
Used to calculate a course correction to account for a cross drift - sort of equivalent to the E6-B calculatior that aircraft pilots used.
Image 1
Image 2
Image 3
Image 4
