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![Sextometer invented by Carl Aslakson theb1736.jpg Sextometer invented by Carl Aslakson](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1736.jpg?itok=RnnhIKhp)
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