Category Archives: Compasses
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.
Compass, Astroi MK II, Keuffel & Esser Co
Astro Compass with wooden box and article "Using the Astro-compass to Study Solar Access
Compasses
A compass is, in navigation or surveying, the primary device for direction-finding on the surface...
Compass, Brunton Pocket Transit
D.W. Brunton Pocket compass made by Wm Ainsworth of Denver, Colo. D.W. Brunton is the...
Compass, Surveyors, Hearn & Potter
Circumferentor marked “Hearn and Potter; Toronto, CW.” CW stands for Canada West, indicating that the...
Compass, Surveyors, John Davis & Sons
Surveyor’s Compass made by John Davis & Sons; Derby Ltd. The company, John Davis &...
Compass, Surveyors, Potter
Compass, Surveyors, Potter. Also called a Circumferentor. Brass compass and accessories.
Compass, Surveyors, Short & Mason
The brass and glass compass was made by Short and Mason, London, England.
Compass, Surveyors, W & LE Gurley
This compass was manufactured by W.& L.E. Gurley, in Troy, NY. It is very old...