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NOAA Photo Library Image - theb1297

Measuring absolute value of declination with a declinometer.

Image ID: theb1297, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Maryland, Cheltenham Observatory
Photo Date: 1931
Credit: Merchant Marine Bulletin, September 1931, p. 7

Category: Geophysics/Geomagnetism/

High Resolution Photo Available





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Last Updated:
April 30, 2013