Ferdinand Hassler directing movement of a 300 pound surveying instrument which he designed and proudly called the Great Theodolite.
High resolution available. (843 Kb, 1708x1052)
With the NOAA 200th Celebration coming to a close at the end of 2007, maintenance of this Web site ceased. Updates to the site are no longer being made.
Ferdinand Hassler directing movement of a 300 pound surveying instrument which he designed and proudly called the Great Theodolite.
High resolution available. (843 Kb, 1708x1052)