Telescope
date: label: date made
content: ca 1900
name: label: maker
content: Ritchey, George Willis
notes: label: Description
content: Reflecting telescope with a 24-inch silvered-glass primary mirror, designed for astronomical photography, and made by George Willis Ritchey (1864-1945), head of the instrument shop at the Yerkes Observatory in Williams Bay, Wisconsin. Starting in 1900, Ritchey used this instrument to take unprecedented images of nebulas, novas and other astronomical objects. He would later make similar but much larger telescopes for the Mount Wilson Observatory in California.
label: Description
content: Ref: D. J. Mills, "George Willis Ritchey and the Development of Celestial Photography," <i>American Scientist</i> 54 (1966): 64-94.
label: Location
content: Currently on loan
place: label: place made
content: United States: Wisconsin, Williams Bay
topic: label: Subject
content: Astronomy
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: Yerkes Observatory
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.328000
label: accession number
content: 270028
label: catalog number
content: 328000
objectType: label: Object Name
content: telescope
physicalDescription: label: Measurements
content: aperture: 24 in; 60.96 cm
label: Measurements
content: skeleton tube: 7 ft; 2.1336 m