patent model, Muirhead, Briggs and Winter duplex telegraph, US #227040
date: label: Date made
content: 1880
name: label: maker
content: Muirhead
label: maker
content: Muirhead, Alexander
label: maker
content: Briggs, James A.
label: maker
content: Winter, George K.
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.308899
label: catalog number
content: 308899
label: accession number
content: 89797
label: patent number
content: 227040
objectType: label: Object Name
content: Telegraph Set
label: Other Terms
content: Telegraph Set; Telegraphy