Chronograph
date: label: date made
content: 1874
name: label: maker
content: Alvan Clark & Sons
notes: label: Description
content: Hoping to improve our understanding of the distance between the Earth and the Sun, the United States sponsored eight parties to observe the 1874 transit of Venus across the face of the sun, and equipped each with an identical set of apparatus made by Alvan Clark & Sons. This chronographs is probably from that project.
label: Description
content: Ref: Simon Newcomb, ed., <i>Observations of the Transit of Venus, Dec. 8-9, 1874</i> (Washington, 1880), p. 15.
label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts, Cambridgeport
topic: label: Subject
content: Science & Scientific Instruments
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: Transferred from United States Naval Observatory
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2005.3085.11
label: catalog number
content: 2005.3085.11
label: nonaccession number
content: 2005.3085
objectType: label: Object Name
content: chronograph
physicalDescription: label: Measurements
content: overall: 14 in x 23 1/2 in x 13 in; 35.56 cm x 59.69 cm x 33.02 cm
label: Measurements
content: overall: 14 1/2 in x 23 3/4 in x 12 in; 36.83 cm x 60.325 cm x 30.48 cm
label: Measurements
content: overall: p7157: 26 in x 48 in x 40 in; 66.04 cm x 121.92 cm x 101.6 cm