Bolometer
notes: label: Description
content: A bolometer measures radiant heat by means of a material having a temperature-dependent electrical resistance. This example belonged to Samuel Pierpont Langley, the astrophysicist who invented the form in 1878 and later served as third Secretary of the Smithsonian Institution.
label: Description
content: Ref: S. P. Langley, The Bolometer (New York, 1881).
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.247029.01
label: catalog number
content: 247029.01
objectType: label: Object Name
content: bolometer
physicalDescription: label: Measurements
content: overall: 10 1/2 in x 2 1/4 in; 26.67 cm x 5.715 cm