Ferdinand Hassler directing movement of the Great Theodolite on Fire Island.Angle measurements at the end points of the Fire Island Base Line.Probably sketched by Assistant John Farley
3/18/2019 1:26:22 PM
Date: 1836
Credit: NOAA Photo Library, NOAA Central Library; NOAA Central Library
Location: Fire Island, New York
Subject: Getting There
Subject: On Foot