Cobalt Blue "Blob" Insulator
date: label: date made
content: ca 1870
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 A. E. Roome
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.231784
label: catalog number
content: 231784
label: accession number
content: 43532
objectType: label: Object Name
content: Insulator
label: Object Name
content: CD 140.5 Cobalt Blob Insulator - 140.5NN010
label: Other Terms
content: Insulator; Insulation
physicalDescription: label: Physical Description
content: cobalt blue (overall color)
label: Physical Description
content: glass (overall material)
label: Measurements
content: overall: 3 3/4 in x 3 1/4 in; 9.525 cm x 8.255 cm