Technician reading temperatures measured by reversing thermometers deployed with Nansen bottle. Temperature recorded was obtained at lowest depth to which Nansen bottle was lowered and then "flopped."

Image ID: fizh0077, NOAA's Historic Fisheries Collection
Location: Hawaii
Photographer: Jerome S. W. Marr, BCF
Credit: U.S. BCF Biological Laboratory, Honolulu, Hawaii; NOAA Central Library Historical Fisheries Collection

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