Author Archives: admin

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...

Computer, Desk, Everex 386

Computer, Desk, Everex 386

Computer, Desk, Olivetti Programma 101

Olivetti Programma 101 Computer. The Olivetti Programma 101 was used for survey calculation by only...

Computer, Pocket, HP31E

Hand held calculator Hewlett Packard Model 31E, S/N 1843S33243.