Category Archives: Survey Artifact Collection

Planimeter, Alpha

Compensating Planimeter No. 19699

Plane Table Tripod, Wooden

Tripod for plane table.

Plane Tables

The plane table and alidade has been used for mapping topographical features for centuries. Don...

Plane Table, ALSA 2010.06.03

Wooden plane table with canvas bag. c/w tripod ALSA 2010.06.02.

Plane Table, Sights with Straight Edge

Plane table sights with leather case.

Alidade, Bausch & Lomb

Plane table alidade with box c/w tripod ALSA 2010.06.02 and Plane Table ALSA 2010.06.03

Plane Table (Includes tripod)

Plane table, tripod, box and two caps for tripod head.

Alidade, K&E

Alidade, Keuffel & Esser Co., Serial No. 103971 matching tripod and plane table ALSA 2012.02.02.

Compass, Trough

12 cm long X 1.5 X 1.7 cm. Lever to lock compass needle on side.

Alidade, W. & L. E. Gurley

Alidade, W. & L. E. Gurley