Patent model, Hart rotary snap switch, US Patent #554,221
date: label: Date made
content: 1896
name: label: maker
content: Hart, Gerald W.
notes: label: Description (Brief)
content: Model for US Patent 554221, "Electric Snap Switch," issued 4 February 1896 to Gerald W. Hart. Brass switch mechanism set on a wood base. Two contacts, plastic knob. Patent drawing does not show a cover so this model probably did not have one.
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.308606
label: catalog number
content: 308606
label: accession number
content: 89797
label: patent number
content: 554221
objectType: label: Object Name
content: Switch
label: Object Name
content: electrical switch
label: Other Terms
content: Switch; Components; Power and Lighting; Power and Lighting
physicalDescription: label: Measurements
content: overall: 1 3/4 in x 2 1/8 in; 4.445 cm x 5.3975 cm