Photophone receiver or selenium cell
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.312118
label: catalog number
content: 312118
label: accession number
content: 162298
objectType: label: Object Name
content: Sheet (Paper)
label: Object Name
content: photophonic receiver
physicalDescription: label: Measurements
content: overall: 7/8 in x 1 7/8 in; 2.2225 cm x 4.7625 cm