General Electric model 70743 direct current generator
date: label: date made
content: ca 1911
label: date made
content: ca. 1911
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: Nameplate reads: "Direct current generator / Model No. 70743. / When ordering parts give model number Type R.C. 24 Form A.23 / Compd wound Amp 9, Volts 125/125 Speed 1700 / Pat. July 30-09, June 7-10 / General Electric Co., Schenectady, New York. U.S.A." Another metal plate reads: " Caution- Use no lubricant on the commutator." Two carbon brushes are used on the commutator which is visible through the frame opening. This specimen is mounted on a base plate with 319272, as a motor-generator set. Reference: Appears similar to motor illustrated in Hausman, "Swoopes Lessons in Practical Electricity," page 440.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Brown University, Div. of Engineering thru George M. Smith
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.319269
label: catalog number
content: 319269
label: serial number
content: 70743
label: accession number
content: 235101
objectType: label: Object Name
content: electrical generator
label: Object Name
content: motor-generator
physicalDescription: label: Measurements
content: overall: 14 in x 16 in x 21 in; 35.56 cm x 40.64 cm x 53.34 cm