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