Echophone model 41 scanning-disc television receiver
date: label: Date made
content: c1935
label: date made
content: ca 1931
name: label: maker
content: Echophone Radio, Mfg. Co., Ltd.
notes: label: Description (Brief)
content: Wooden housing with metal chassis. Unit has a 3.75" square plastic screen (yellowed) tacked to the inside of the front panel (missing). Top panel slides off. Eight-tube circuit is utilized with a rotating Nipkow disc scanner and associated neon discharge lamp. Disc motor adjustable from front panel. Tuning capacitor has 0-100 scale. Plate on front molded: "Echophone"; label on back: "Model 41 / 117-125 Volts / 50-60 cycles / 85 Watts / Echophone Radio Mfg. Co., Ltd. / Waukegan, Illinois / See license notice inside". Stamped with serial number 1012. Reference: Radio Craft, Aug. 1935, page 124, figure 41; Kurtz, Pioneering in Educational Television, page 45; Clark Collection, SRM 142-027.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320796
label: catalog number
content: 320796
label: accession number
content: 241556
objectType: label: Object Name
content: television receiver
label: Object Name
content: Receiver, television
label: Object Name
content: mechanical television
label: Object Name
content: mechanical television receiver
label: Other Terms
content: Receiver, television; Receiver; Television
physicalDescription: label: Measurements
content: overall: 17 1/4 in x 9 7/8 in x 13 in; 43.815 cm x 25.0825 cm x 33.02 cm