Weston direct current dynamo, patent #209,532
date: label: Date made
content: ca. 1878
label: date made
content: ca 1878
name: label: associated person
content: Weston
label: maker
content: Weston
label: maker
content: Weston, Edward
notes: label: Description (Brief)
content: A patent model for a direct current generator. See US Patent # 209532, Dynamo Electric Machine, issued 29 October 1878 to Edward Weston. Claim: Specially constructed armature core featuring improved ventilation and specially wound two coil system armature featuring eight loop commutator connection. Non-operative model has a wooden frame with wooden armature wound with green silk wire. Four field magnets are used, two above and two below the rotating armature. Commutator is at very end of shaft. No extant maker's markings.
setName: label: See more items in
content: Work and Industry: Electricity
label: Exhibition
content: Lighting a Revolution
label: Exhibition Location
content: National Museum of American History
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.252659
label: catalog number
content: 252659
label: accession number
content: 49064
objectType: label: Object Name
content: Electric Generator
label: Object Name
content: dynamo
label: Object Name
content: generator
label: Other Terms
content: Electric Generator; Electromagnetic Devices
physicalDescription: label: Measurements
content: overall: 11 in x 10 1/2 in x 5 in; 27.94 cm x 26.67 cm x 12.7 cm