Telescope
date: label: date made
content: 1939 - 1944
name: label: maker
content: Alvan Clark & Sons
notes: label: Description
content: Alvan Clark & Sons was the leading telescope firm in the United States in the second half of the nineteenth century. Although famous for its large refractors suitable for advanced astronomical research, the firm also made smaller instruments for educational and amateur purposes. It remained in business until the 1950s.
label: Description
content: This example has an achromatic objective of 3 inches aperture, and several eyepieces. The brass tube is 44 inches long and extends to 40 inches. The attached finder scope is 13 inches long. The “ALVAN CLARK & SONS / CAMBRIDGE, MASS.” inscription on the faceplate at the eye end was in use during the period 1939-1944. Charles Scovil, a dedicated amateur astronomer in Stamford, Conn., donated it to the Smithsonian in 1977.
label: Description
content: Ref: Deborah Warner and Robert Ariail, <i>Alvan Clark & Sons. Artists in Optics</i> (Richmond, 1995).
label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts, Cambridge
setName: label: See more items in
content: Medicine and Science: Physical Sciences
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content: Science & Mathematics
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content: Measuring & Mapping
creditLine: label: Credit Line
content: Charles Scovil
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.336371
label: catalog number
content: 336371
label: accession number
content: 1977.0600
objectType: label: Object Name
content: telescope, refracting
physicalDescription: label: Measurements
content: overall: 9 in x 53 in x 11 3/4 in; 22.86 cm x 134.62 cm x 29.845 cm