Archive of Collections

Details and Image

TypeModel No.MakerCountryConstruction
DateScale LengthArea of Use
Acme Course Corrector
Sea Emergency Devices CompanyUSA
Metal in a wood case
est. 1940Dia. = 25.5 cmMarine Navigation

Notes: "A slide rule type of device to calculate a correction to a ships course using true course, magnetic course, compass course, variation, deviation and compass error."

Image 1

Image 2

Image 3