steel roller for telegraph register
date: label: date made
content: ca 1844
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: returned to J. C. Vail
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.279260
label: accession number
content: 55814
label: catalog number
content: 279260
objectType: label: Object Name
content: telegraph register component
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 3/4 in; 6.35 cm x 1.905 cm