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Description
Sextometer invented by Carl Aslakson.Known distance between sighting points.Sextant angle varies with distance (Image credit: C&GS; Season's Report Aslakson 1930-143)
Credit
C&GS; Season's Report Aslakson 1930-143
Display Date
1930?
Location
Philippines
Collection
Historic Coast & Geodetic Survey
Geodesy
Topography-Mapping the Shoreline
Plane Table Mapping
Keywords
Topography
Plane Table