iron disk on tripod
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: 1989.0743.309.01
label: catalog number
content: 1989.0743.309.01
label: accession number
content: 1989.0743
label: collector/donor number
content: 107
objectType: label: Object Name
content: Disc
label: Object Name
content: demonstration component
physicalDescription: label: Physical Description
content: iron (overall material)
label: Measurements
content: overall: 11 in x 8 3/4 in x 8 1/2 in; 27.94 cm x 22.225 cm x 21.59 cm