Patent model, Dolbear electro-dynamometer, US Patent #228,807
date: label: Date made
content: 1880
name: label: associated person
content: Dolbear, Amos E.
label: maker
content: Dolbear, Amos E.
notes: 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.308589
label: catalog number
content: 308589
label: accession number
content: 89797
label: patent number
content: 228807
objectType: label: Object Name
content: Electrodynamometer
label: Other Terms
content: Electrodynamometer; Measuring Devices
physicalDescription: label: Measurements
content: overall: 6 1/2 in x 5 in; 16.51 cm x 12.7 cm