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pl23_theb1304.jpg

Using compass declinometer for magnetic observations

Image

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Permalink

https://www.noaa.gov/media/digital-library-photo/pl23theb1304jpg

Description

Using compass declinometer for magnetic observations.Lt. Benjamin H. Rigg observing.Accompanied MacMillan Arctic Expedition.

Credit

C&GS; Season's Report Rigg 1926-69

Display Date

1926

Location

Greenland

Collection

Historic Coast & Geodetic Survey

Keywords

Geophysics

Geomagnetism