Froment DC motor
date: label: date made
content: ca 1859
name: label: maker
content: Froment, Paul-Gustave
notes: label: Description (Brief)
content: Armature consists of six pieces of soft iron mounted on a brass drum; field is farmed by three double electromagnets mounted on a bronze frame. Wooden base includes two binding posts. Commutation is by ivory rollers which are successively pushed to close the field circuits. Three-pole unit designed by Paul-Gustave Froment. Brass plate stamped: "No. / 13". Reference: Ganot's Physics 4th Ed.(1869), page 763.
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 University of Santa Clara thru Rev. Carl H. Hayn, S.J.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.325988
label: accession number
content: 256489
label: catalog number
content: 325988
objectType: label: Object Name
content: motor
label: Object Name
content: electric motor
physicalDescription: label: Measurements
content: overall: 8 in x 11 3/4 in x 8 in; 20.32 cm x 29.845 cm x 20.32 cm