Recording Thermometer


George Washington Hough (1836-1909) was an astronomer who served as director of the Dudley Observatory in Albany, New York, from 1862 to 1874, and as director of the Dearborn Observatory in Chicago from 1879 until his death.

While at the Dudley Observatory, Hough devised a recording thermometer, a recording barometer, and an anemograph. This example of his recording thermometer contains six iron rods and five brass rods, and their differential expansion controls a marking pen. The instrument is not dated, but inside it is a piece of paper from the New York Times of March 12, 1860.

Ref: W. E. K. Middleton, Catalog of Meteorological Instruments in the National Museum of History and Technology (Washington, D.C., 1969), p. 50.

“The Registering Barometer and Thermometer,” New York Daily Tribune (Feb. 17, 1866), p. 9.

“George Washington Hough,” The Astrophysical Journal 30 (1909): 68.

Date Made: 1860s

Location: Currently not on view

Place Made: United States: New York, Albany

See more items in: Medicine and Science: Physical Sciences


Exhibition Location:

Credit Line: Dudley Observatory

Data Source: National Museum of American History

Id Number: PH.317416Catalog Number: 317416Accession Number: 229884

Object Name: recording thermometer

Measurements: overall: 21 1/4 in x 8 3/4 in x 5 5/8 in; 53.975 cm x 22.225 cm x 14.2875 cm


Record Id: nmah_1167597

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