Pyrheliometer
notes: label: Description
content: A pyrheliometer measures the intensity of solar radiation. This example came from U.S. Weather Bureau, and was was probably made by Charles Greeley Abbot, or under his supervision, at the Smithsonian Astrophysical Observatory in the early 1900s. According to Abbot: “A good many copies of this instrument have been sold by the Smithsonian Institution, at cost, to observers and foreign governments.”
label: Description
content: Ref: Charles Greeley Abbot and Loyal Blaine Aldrich, “The Silver Disk Pyrheliometer,” Smithsonian Miscellaneous Collections, vol. 56, No. 19 (1911).
label: Description
content: Charles Greeley Abbot, “The Silver Disc Pyrheliometer,” Annals of the Smithsonian Astrophysical Observatory 3 (1922): 47-52.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: U. S. Weather Bureau
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.322326
label: accession number
content: 247582
label: catalog number
content: 322326
objectType: label: Object Name
content: bolometer
physicalDescription: label: Measurements
content: overall: 10 3/8 in x 8 3/4 in x 4 1/2 in; 26.3525 cm x 22.225 cm x 11.43 cm