Farmer reversible direct current motor
date: label: date made
content: ca 1875
name: label: maker
content: Farmer
label: maker
content: Farmer, Moses G.
notes: label: Description (Brief)
content: A reversible direct current motor using an open armature upon which are mounted spools of wire that rotate between field coils of the same dimensions. Six coils are set on each of two stator plates, and twelve coils are set in two offset rows on the rotor. A pulley wheel is affixed to one end of the armature shaft and a commutator is set on the opposite end. A reversing switch is arranged on the wooden base. No extant markings. A previous exhibit label states that this motor was devised and used by Moses G. Farmer in his experimental work at Newport, Rhode Island. Reference: Accession papers.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Sarah J. Farmer
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.181967
label: catalog number
content: 181967
label: accession number
content: 2015.0173
objectType: label: Object Name
content: Motor
label: Object Name
content: electric motor
label: Other Terms
content: Motor; Motors and Generators
physicalDescription: label: Measurements
content: overall: 8 1/2 in x 9 3/4 in x 12 in; 21.59 cm x 24.765 cm x 30.48 cm