Blake standard telephone transmitter, patent #250,126 through 250,129
name: label: associated person
content: Blake, Jr., Francis
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.252613
label: catalog number
content: 252613
label: accession number
content: 49064
objectType: label: Object Name
content: Telephone Transmitter
label: Other Terms
content: Telephone Transmitter; Telephones; Transmitter
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 5 in x 6 in; 6.35 cm x 12.7 cm x 15.24 cm