Lowe's Graphic Hygrometer

Lowe's Graphic Hygrometer

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Nathaniel M. Lowe, the manufacturer of Edson's Hygrodeik, designed a similar but somewhat simpler instrument for showing the dew point and relative humidity. In this example, the chart is on a white enamel plate marked "LOWE'S Graphic hygrometer" and a monogram. It came to the Smithsonian from Trenton State University.
Ref: N. M. Lowe, "Psychrometers," U.S. Patent 202276 (1878).
Currently not on view
Object Name
Lowe, Nathaniel M.
place made
United States: Massachusetts, Boston
overall: 11 3/16 in x 8 in x 3 in; 28.41625 cm x 20.32 cm x 7.62 cm
ID Number
accession number
catalog number
Credit Line
Trenton State University
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Thermometers and Hygrometers
Data Source
National Museum of American History
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