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NOAA Photo Library Image - cgs00637

Magnetic observations at sea from the USC&GSS BACHE. While steaming in a circle, first to the right and then to the left, the ship is steadied successive ly on 8 or 16 equi-distant headings while the sun's magnetic bearing is observed with the standard compass and the dip and total intensity are determined with a Lloyd-Creak dip circle.

Image ID: cgs00637, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: United States Atlantic coast
Photo Date: 1916.
Credit: NOAA Central Library Historical Imagery

High Resolution Photo Available





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Last Updated:
May 12, 2014