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Tapes, Foot
Steel band tapes, when introduced, were called chains and the act of measuring using a...
Stereoscopes
With the advent of aerial photography land surveyors, foresters and others could view three-dimensional topography...
Radiophones
Radiophone, also known as a radiotelephone, is a device that uses radio waves to transmit...
Alidade, W. & L.E. Gurley
Alidade, W. & L. E. Gurley
Plane Table, Compass, Trough
12 cm long X 1.5 X 1.7 cm. Lever to lock compass needle on side.
Alidade, K&E
Alidade, Keuffel & Esser Co., Serial No. 103971 matching tripod and plane table ALSA 2012.02.02.
Plane Table
Plane table, tripod, box and two caps for tripod head.
Alidade, Bausch & Lomb
Plane table alidade with box c/w tripod ALSA 2010.06.02 and Plane Table ALSA 2010.06.03
Alidade, Open-Sight
Plane table sights with leather case.
Plane Table, ALSA 2010.06.03
Wooden plane table with canvas bag. c/w tripod ALSA 2010.06.02.