Telescope
name: label: maker
content: W. & S. Jones
notes: label: Description
content: This brass telescope sits on a pillar-and-tripod stand. The achromatic objective is 2.75 inches aperture and 57-inch focus. The “W. & S. Jones” inscription is that of William and Samuel Jones, brothers who, beginning in 1791, sold a range of scientific and mathematical instruments from their shops on Holborn Hill in London.
label: Description
content: The telescope was owned and used by Andrew Ellicott (1754-1820), an American surveyor and geodesist who determined longitudes by observing eclipses of the moons of Jupiter.
label: Description
content: Ref: Andrew Ellicott, “Astronomical, and Thermometrical Observations, made on the Boundary between the United States and His Catholic Majesty,” <i>Transactions of the American Philosophical Society</i> 5 (1802): 203-311; also Ellicott, “Astronomical observations made at Lancaster, Pennsylvania, chiefly with a view to ascertain the longitude of that borough, and as a test of the accuracy with which the longitude made by found by lunar observation,” pp. 61-69.
label: Description
content: Gloria Clifton, <i>Directory of British Scientific Instrument Makers 1550-1851</i> (London, 1995), p. 155.
label: Location
content: Currently not on view
place: label: place made
content: United Kingdom: England, London
topic: label: Subject
content: Revolutionary War
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Astronomy
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content: Science & Mathematics
creditLine: label: Credit Line
content: Andrew E. Douglass
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.152082
label: catalog number
content: 152082
label: accession number
content: 116914
objectType: label: Object Name
content: telescope
label: Object Name
content: refracting telescope
physicalDescription: label: Measurements
content: overall: 30 in x 60 in x 15 1/2 in; 76.2 cm x 152.4 cm x 39.37 cm