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![Technician reading temperatures measured by reversing thermometers deployedwith Nansen bottle fizh0077.jpg Technician reading temperatures measured by reversing thermometers deployedwith Nansen bottle](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_fizh0077.jpg?itok=5axVR9zG)
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Technician reading temperatures measured by reversing thermometers deployedwith Nansen bottle. Temperature recorded was obtained at lowest depth to whichNansen bottle was lowered and then flopped. (Image credit: U.S. BCF Biological Laboratory, Honolulu, Hawaii; NOAA Central Library Historical Fisheries Collection | Jerome S. W. Marr)