Kelvin & James White electrostatic voltmeter, 1903
date: label: date made
content: ca 1903
name: label: maker
content: Kelvin & James White, Ltd.
notes: label: Description (Brief)
content: A vertical electrostatic voltmeter, 800 to 8000 volts incorporating three weights having constants of 50, 100, and 200 grams. Catalog #42-A, serial #460. Contains a flat, two-lobe, aluminum, moving element with needle attached, pivoted between brass plates. In a glass and metal case in varnished wood box. Tag reads: "Lord Kelvin's / Patents / Electrostatic / Voltmeter No. 460 / Kelvin & James White, Ltd. / Glasgow, London". Purchased from Kelvin & James White, Ltd., by the US Bureau of Standards in 1903 with 1904 funds.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from the United States National Bureau of Standards
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.313157
label: catalog number
content: 313157
label: accession number
content: 177275
objectType: label: Object Name
content: Voltmeter
label: Other Terms
content: Voltmeter; Electrostatic; Measuring Devices
physicalDescription: label: Measurements
content: overall: 17 in x 11 in x 3 1/2 in; 43.18 cm x 27.94 cm x 8.89 cm