Echophone regenerative radio receiver
date: label: date made
content: ca 1925
name: label: maker
content: Echophone Radio, Mfg. Co., Ltd.
notes: label: Description (Brief)
content: Marked: "Manufactured by / The Radio Shop / 1120 N. Ashland Ave. / Chicago, Ill. / Log Beach, Cal. / Sunnyvale, Cal. / Under Armstrong U.S. Patent / No. 113149". Specimen is a regenerative detector and two-stage audio amplifier utilizing three UV-199 .06 ampere tubes (missing). Panel controls include wavelength tuning and regeneration. Unit sold for $50 in 1925. Appears identical to Echophone V-3 receiver, though not in a case. Reference: Radio News (February 1925), page 1517.
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.321026
label: catalog number
content: 321026
label: accession number
content: 241556
objectType: label: Object Name
content: radio receiver
physicalDescription: label: Measurements
content: overall: 7 in x 9 in x 5 in; 17.78 cm x 22.86 cm x 12.7 cm