Compass, Surveyors, Potter

Compass, Surveyors, Potter. Also called a Circumferentor. Brass compass and accessories.

Compass, Surveyors, John Davis & Sons

Surveyor’s Compass made by John Davis & Sons; Derby Ltd. The company, John Davis &...

Compass, Surveyors, Hearn & Potter

Circumferentor marked “Hearn and Potter; Toronto, CW.” CW stands for Canada West, indicating that the...

Compass, Brunton Pocket Transit

D.W. Brunton Pocket compass made by Wm Ainsworth of Denver, Colo. D.W. Brunton is the...

Compass, Astroi MK II, Keuffel & Esser Co

Astro Compass with wooden box and article "Using the Astro-compass to Study Solar Access

Clinometer, Other

Other clinometers.

Clinometer, Sokkisha

Clinometer, Sokkisha Grey metal, vernier in degrees and minutes as well as percentage. Includes black...

Clinometer, Keuffel & Esser

Clinometer is 6 inches long. C/W leather case

Chain, Engineer’s

Chain, Engineers'. 100 feet long consisting of 100 one foot links. Markers every 10 feet

Computer, Desk, HP85

The 85A was a small, low-cost, fully integrated computer with built in six inch CRT...