A compass is, in navigation or surveying, the primary device for direction-finding on the surface of the Earth. Compasses may operate on magnetic or gyroscopic principles or by determining the direction of the Sun or a star.
The Society has a number of different compasses in its collection.
Compass, Astroi MK II, Keuffel & Esser Co
Compass, Brunton Pocket Transit
Compass, Surveyors , Hearn & Potter
Compass, Surveyors, John Davis & son
Compass, Surveyors, Potter
Compass, Surveyors, Short & Mason
