Daven mechanical television viewer
date: label: Date made
content: c 1931
label: date made
content: ca 1931
label: date made
content: ca. 1931
name: label: maker
content: Daven Television Corporation
notes: label: Description (Brief)
content: Mechanical television receiver, around 1931. Donor was an engineer with WFIL-TV in Philadelphia. Round metal disc, 12" diameter with a spiral pinhole pattern. Large glass viewing lens mounted on one side of disc, a neon-glow lamp mounted in a holder on the other side. Daven Television Corporation. Technology developed by C. Francis Jenkins.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Richard G. Marshall
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.334574
label: catalog number
content: 334574
label: accession number
content: 1978.0229
objectType: label: Object Name
content: television, mechanical
label: Object Name
content: Receiver, television, mechanical
label: Object Name
content: television receiver
label: Object Name
content: mechanical television receiver
label: Other Terms
content: Receiver, television, mechanical; television, mechanical; Components; Radio and Television; Radio and Television
physicalDescription: label: Measurements
content: overall: 17 1/2 in x 9 in x 11 1/2 in; 44.45 cm x 22.86 cm x 29.21 cm
label: Measurements
content: disk: 1/4 in x 12 in; .635 cm x 30.48 cm