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NOAA Photo Library Image - ship4382

Figure 11. Buchanan mercury piezometer (VORINGEN model) - This piezometer was designed by Henrik Mohn who was inspired by Buchanan's earlier CHALLENGER design. Mohn had this instrument fabricated by Louis Casella and used it to determine depths of observation of Negretti and Zambra reversing thermometers used during the Norwegian VORINGEN expedition in 1877-1878.

Image ID: ship4382, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco

Category: Oceanography/

High Resolution Photo Available

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Last Updated:
June 10, 2016