Lowe's Psychrometer

Nathaniel M. Lowe, the manufacturer of Edson's Hygrodeik, patented a similar but somewhat simpler instrument for showing relative humidity. In this example, the chart is marked "LOWE'S Graphic Hygrometer or Hygrodeik" and "N. M. LOWE, BOSTON, Mass." and "Patented April 9, 1878."
Ref: N. M. Lowe, "Psychrometers," U.S. Patent 202276 (1878).
Currently not on view
Object Name
date made
late 19th century
Lowe, Nathaniel M.
place made
United States: Massachusetts, Boston
ID Number
catalog number
accession number
Measuring & Mapping
Thermometers and Hygrometers
See more items in
Medicine and Science: Physical Sciences
Thermometers and Hygrometers
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Drexel Institute of Technology

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