Recording Thermometer
date: label: date made
content: 1860s
notes: label: Description
content: 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.
label: Description
content: 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 <i>New York Times</i> of March 12, 1860.
label: Description
content: Ref: W. E. K. Middleton, <i>Catalog of Meteorological Instruments in the National Museum of History and Technology</i> (Washington, D.C., 1969), p. 50.
label: Description
content: “The Registering Barometer and Thermometer,” <i>New York Daily Tribune</i> (Feb. 17, 1866), p. 9.
label: Description
content: “George Washington Hough,” <i>The Astrophysical Journal</i> 30 (1909): 68.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, Albany
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: Dudley Observatory
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.317416
label: catalog number
content: 317416
label: accession number
content: 229884
objectType: label: Object Name
content: recording thermometer
physicalDescription: label: Measurements
content: 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