Siemens direct current dynamo
date: label: Date made
content: c1867
label: date made
content: ca 1867
name: label: associated person
content: Siemens
label: maker
content: Siemens
notes: label: Description (Brief)
content: No makers markings on generator. Tag on wooden base reads "589". This Siemens generator has two flat field coils with pole pieces at each end. An armature turns through the pole magnetic field. A commutator and brush arrangement are fitted to one end of the shaft. The armature is of the shuttle type and is provided with a flywheel and manual drive. One copper brush is bent, and the spring mechanism broken. Reference: Wormell, Electricity in the Service of Man, page 235. Groenendijk Catalog, page 20.
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.315593
label: catalog number
content: 315593
label: accession number
content: 216300
label: collector/donor number
content: 5h-12
objectType: label: Object Name
content: Generator
label: Other Terms
content: Generator; Motors and Generators
physicalDescription: label: Measurements
content: overall: 29 in x 30 in x 19 1/2 in; 73.66 cm x 76.2 cm x 49.53 cm