Patent model, Phelps single crown telephone, US Patent #218,684
date: label: Date made
content: 1879
name: label: maker
content: Phelps, George M.
notes: label: Location
content: Currently on loan
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.308615
label: catalog number
content: 308615
label: accession number
content: 89797
objectType: label: Object Name
content: Telephone
label: Object Name
content: crown telephone