Dip Circle
date: label: Date made
content: ca 1919
name: label: maker
content: Dover
notes: label: Description
content: The Department of Terrestrial Magnetism of the Carnegie Institution of Washington bought this Kew pattern dip circle in 1919. The inscription reads "Dover, Charlton Kent, Circle 240." With four needles, tripod, case, Kew certificate of examination, and importation charges, it cost $184.70. The vertical circle is silvered, graduated to 30 minutes, and read by opposite verniers to single minutes. The horizontal circle is silvered, graduated to 30 minutes, and read by vernier to single minutes.
label: Location
content: Currently not on view
place: label: Place Made
content: United Kingdom: England, London, Charlton
topic: label: Subject
content: Science & Scientific Instruments
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: Carnegie Institution of Washington
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1983.0039.02
label: accession number
content: 1983.0039
label: catalog number
content: 1983.0039.02
objectType: label: Object Name
content: dip circle
physicalDescription: label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 10 in; 25.4 cm
label: Measurements
content: overall in case: 11 1/8 in x 8 3/4 in x 9 1/2 in; 28.2575 cm x 22.225 cm x 24.13 cm