"Bureau Knob" insulator
date: label: date made
content: ca1850
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.181409.2
label: catalog number
content: 181409.2
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: 2 7/8 in x 3 1/4 in; 7.3025 cm x 8.255 cm