Letters of photophone experiment, Bell & Tainter
date: label: date made
content: April 1880
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Mechanisms
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ME.312120
label: catalog number
content: 312120
label: accession number
content: 162298
objectType: label: Object Name
content: Sheets (Paper), Set of?
physicalDescription: label: Measurements
content: overall, letter from a.g. bell:: 12 1/2 in x 7 3/4 in; 31.75 cm x 19.685 cm
label: Measurements
content: overall, letters from the hubbards: 9 3/4 in x 7 3/4 in; 24.765 cm x 19.685 cm