H. J. Green Sling Psychrometer

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Description
This instrument is said to have been used by Richard E. Byrd, USN, during his flight to the North Pole on May 9, 1926. It consists of two mercury-in-glass thermometers mounted on an aluminum frame. This frame is marked "H. J. GREEN B'KLYN N.Y." and "No. 648 U.S. WEATHER BUREAU" and "8078" and "8079" and equipped with a wooden handle. The wet bulb thermometer has a milk white back; its clear front is marked "U.S. 8078" and graduated every degree Fahrenheit from -40 to +129. The dry bulb thermometer has a milk-white back; its clear front is marked "U.S. 8079" and graduated every degree F from -40 to +129.
Location
Currently not on view
user
Byrd, Sr., Richard E.
maker
H. J. Green
place made
United States: New York, Brooklyn
Measurements
overall: 18 in x 1 in x 1 in; 45.72 cm x 2.54 cm x 2.54 cm
ID Number
PH.314552
accession number
204612
catalog number
314552
Credit Line
U.S. Weather Bureau
subject
U.S. Weather Bureau
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Military
Thermometers and Hygrometers
Data Source
National Museum of American History, Kenneth E. Behring Center

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