patent model, Maxim commutator, US #228545
date: label: date made
content: ca 1880
name: label: maker
content: Maxim, Hiram S.
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.309338
label: catalog number
content: 309338
label: accession number
content: 89797
label: patent number
content: 228245
objectType: label: Object Name
content: Commutator
label: Other Terms
content: Commutator; Components; Motors and Generators
physicalDescription: label: Measurements
content: overall: 4 1/4 in x 8 3/4 in; 10.795 cm x 22.225 cm