photophone transmitter
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.312116
label: catalog number
content: 312116
label: accession number
content: 162298
objectType: label: Object Name
content: Sheet (Paper)
label: Object Name
content: photophone transmitter
physicalDescription: label: Measurements
content: overall: 3 3/4 in x 9 5/8 in x 5 1/4 in; 9.525 cm x 24.4475 cm x 13.335 cm