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Sextometer invented by Carl Aslakson Picture

Sextometer invented by Carl Aslakson

Sextometer invented by Carl Aslakson. Known distance between sighting points. Sextant angle varies with distance

Photo Category: Topography - Plane Table
Photo Location: Philippines
Photo Date: 1930?

Author: C&GS Season's Report Aslakson 1930-143/ NOAA

License: Public Domain Mark 1.0 (Public domain)
640 x 417 42.64 KB
1280 x 834 149.56 KB
1388 x 904 209.49 KB
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Added On
18th October 2015
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