Telescope
date: label: date made
content: 1881
name: label: maker
content: Warner & Swasey Company
notes: label: Description
content: This is the first telescope made by Warner & Swasey, a machine tool firm in Cleveland, Ohio, that would later provide mounts for the 30-inch refractor at the Lick Observatory in California (1887), the 40-inch at the Yerkes Observatory in Wisconsin (1897), and many other astronomical facilities. It was installed at Beloit College in Wisconsin in 1881.
label: Description
content: When the original 9½-inch objective lens (made by Alvan Clark & Sons) was placed in another instrument, the mount was returned to Warner & Swasey. It came to the Smithsonian in 1958.
label: Description
content: The mount is equatorial. The declination circle is graduated to 15' and reads by vernier to 1'. The hour circle is graduated to minutes and reads to 5". The driving clock has a conical pendulum.
label: Location
content: Currently not on view
place: label: place made
content: United States: Ohio, Cleveland
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Science & Mathematics
creditLine: label: Credit Line
content: Warner & Swasey through Mr. Warner Seely
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.316100
label: catalog number
content: 316100
label: accession number
content: 223895
objectType: label: Object Name
content: telescope
physicalDescription: label: Measurements
content: overall: 13 3/4 ft x 12 in; 4.191 m x 30.48 cm
label: Measurements
content: base: 30 in; 76.2 cm