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https://www.noaa.gov/media/digital-library-photo/pl23ship4464jpgDescription
Figure 10. Dahl-Fjeldstad current meter - designed by assistant professor JonasEkman Fjeldstad of the University of Bergen in collaboration with the Norwegianengineer Odd Dahl. It automatically punched its readings on a tin strip forlater reading and analysis. This system was completed in 1937.
Credit
Oceanographic Museum of Monaco
Photographer
Y. Berard
Collection
Voyage to Inner Space
History of Oceanography Collection
The Early Instruments - Collections of the Oceanographic Museum at Monaco
Supplemental Material, Demonstration Equipment, and Meteorological Instruments
Keywords
Oceanography