Model of Davis revolving armature engine
date: label: date made
content: 1897
name: label: maker
content: Model Shop, United States National Museum
notes: label: Description (Brief)
content: Model of a direct current Davis Revolving Armature Engine from about 1848. Upright magnet, wheel armature. See catalog number 181452. Made for display at the Nashville Exposition. ;Reference: Daniel Davis, Manual of Magnetism, Boston, 1848, pages 208-210. Very similar to catalog number 181445.
label: Description (Brief)
content: An old exhibit label reads: "Manufactured and sold by Daniel Davis, Magnetical Instrument Maker. No. 428, Washington St., Boston, Mass. Price $6.00. A typical example of contemporary laboratory experimental and educational instruments."
label: Description (Brief)
content: There is some confusion in the records about this object because another note says it is a copy of Joseph Henry's apparatus (see catalog number 181433).
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: Made in the museum
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.181434
label: catalog number
content: 181434
objectType: label: Object Name
content: Motor
label: Object Name
content: electric motor
label: Other Terms
content: Motor; Electromagnetic Devices; Magnetic Devices; Electromagnetic Devices
physicalDescription: label: Measurements
content: overall: 11 1/2 in x 5 in; 29.21 cm x 12.7 cm