Pair of Barlow Wheels on wooden base
name: label: associated person
content: Barlow, Peter
notes: label: Description (Brief)
content: A magneto and barlow wheel demonstration apparatus, originally from the Groenendijk Collection. Painted on bottom: "568" and a paper tag "8D"; paper tag on top of base: "5h-6". A pair of copper wheels mounted on a rotating frame, set on a brown wooden base. One wheel is spiked around the outer edge, the other is smooth. A mercury cup is mounted at one end with a two-pole electromagnet directly above. The frame can be rotated so that either wheel can be positioned between the poles of the magnet. Four binding posts on base. See Philosophical Magazine 59, (1822), pages 241-242, and plate 4, figure 4; also: Groenendijk Catalog, page 20, item #5h-6.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.315496
label: catalog number
content: 315496
label: accession number
content: 216300
label: collector/donor number
content: 5h-6
objectType: label: Object Name
content: Barlow Wheel
label: Other Terms
content: Barlow Wheel; Magnetic Devices
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 7 1/2 in x 4 1/4 in; 11.43 cm x 19.05 cm x 10.795 cm