Patent model, Dolbear telephone set, US Patent #239,742
date: label: Date made
content: 1881
name: label: maker
content: Dolbear, Amos E.
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: EM.308620
label: catalog number
content: 308620
label: accession number
content: 89797
label: patent number
content: 239742
objectType: label: Object Name
content: Telephone Set
label: Other Terms
content: Telephone Set; Telephones; Wall
physicalDescription: label: Measurements
content: overall: 12 3/4 in x 10 in x 5 1/2 in; 32.385 cm x 25.4 cm x 13.97 cm