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Description
Pole signal with tin cone for reflecting sunlight.Constructed by survey crews under direction of Ferdinand Hassler.Sketch by Assistant John Farley - view looking to south across Long Island Sound (Image credit: NOAA John Farley collection)
Credit
NOAA John Farley collection
Display Date
1837
Location
Connecticut shore
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Wooden Towers & Signal Poles
Keywords
Geodesy
Triangulation
Towers
Wooden