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NOAA Photo Library Image - theb2235

Checking index error of sextants prior to conducting launch hydrography.

Image ID: theb2235, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Credit: NOAA Office of Coast Survey

Category: Charting/Visual Signals/Visual Signals/Sextant/

• High Resolution Photo Available




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Last Updated: April 30, 2013