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![Both air temperature and oceanic temperature isotherms as published inPetermann's Geographishce Mittheilungen wea05004.jpg Both air temperature and oceanic temperature isotherms as published inPetermann's Geographishce Mittheilungen](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_wea05004.jpg?itok=gTdN-394)
Description
Both air temperature and oceanic temperature isotherms as published inPetermann's Geographishce Mittheilungen. (Image credit: Historical Collections of the NOAA Central Library; NOAA Central Library Historical Collections)
Credit
Historical Collections of the NOAA Central Library; NOAA Central Library Historical Collections
Display Date
1870
Collection
Weather Service