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NOAA Photo Library Image - ship4010

Figure 9. W. F. Ewald's photometer. The photometer is inverted with the lens uncovered. Invented by Wolfgang F. Ewald about 1908. An earlier instrument of this type is not part of the museum collection. The test of the original was in a lake near Munich and then in a fjord near Bergen.

Image ID: ship4010, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: P. Roggero
Credit: Oceanographic Museum of Monaco

Category: Oceanography/Historical instruments/

High Resolution Photo Available

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Last Updated:
November 10, 2017