patent model, House Electro-Phonetic Telegraph, US #77882
date: label: Date made
content: 1868
name: label: maker
content: House, Royal E.
notes: label: Description (Brief)
content: model for US Patent # 77,882, Electro Phonetic Telegraph, issued 12 May 1868 to Royal E. House. The unit is mounted on a wooden base with a brass speaking tube. The tube has a wooden diaphragm with two terminals in the bottom. There are two terminals on the wooden base. Original patent tag with unit.
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.336374
label: catalog number
content: 336374
label: accession number
content: 1977.1074
label: patent number
content: 77,882
objectType: label: Object Name
content: Telegraph, Electrophonetic
label: Object Name
content: electrophonetic telegraph
physicalDescription: label: Measurements
content: overall: 18 cm x 17.2 cm x 12 cm; 7 1/16 in x 6 3/4 in x 4 3/4 in