"Bureau Knob" insulator
date: label: date made
content: ca 1850
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
label: See more items in
content: Communications
creditLine: label: Credit Line
content: from the Telegraph Historical Society
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.181409.1
label: catalog number
content: 181409.1
label: accession number
content: 31545
objectType: label: Object Name
content: Insulator
label: Other Terms
content: Insulator; Insulation
physicalDescription: label: Physical Description
content: glass (overall material)
label: Measurements
content: overall: 3 in x 4 1/2 in; 7.62 cm x 11.43 cm