model of Henry reciprocating direct current motor
date: label: Date made
content: c. 1831
label: date made
content: ca 1831
notes: label: Description (Brief)
content: Field is supplied by two pairs of electromagnets mounted in same vertical plane, with opposite poles facing one another. Between the poles is an armature, fastened at the bottom so that it can rock back and forth. This reciprocating motion is communicated to a brass flywheel. On the axis of the flywheel is a cam commutator. No maker's tag, no markings. Reference: Groenendijk Catalog page 20, 5h-18.
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.315534
label: accession number
content: 216300
label: catalog number
content: 315534
label: collector/donor number
content: 5h-18
objectType: label: Object Name
content: Electric Motor
label: Object Name
content: motor
label: Object Name
content: electric motor
label: Other Terms
content: Electric Motor; Magnetic Devices; Electromagnetic Devices; Electromagnetic Devices
physicalDescription: label: Measurements
content: overall: 5 1/4 in x 12 1/2 in x 4 1/2 in; 13.335 cm x 31.75 cm x 11.43 cm