Kennedy model 220 radio receiver
date: label: date made
content: ca 1921
name: label: maker
content: Colin B. Kennedy Co.
notes: label: Description (Brief)
content: Marked: "Type 220 / Intermediate Wave Receiver / Serial No. 5210 / The Colin B. Kennedy Co. / San Francisco / St. Louis." Label under hinged top reads: "Kennedy Equipment / Licensed Under Armstrong / U.S. Pat. No. 1113149 / For amateur and experimental use only." This specimen is a regenerative detector utilizing a CX301-A triode. Panel controls include primary and secondary taps; primary and secondary condenser tuning; series-parallel switch; coupling and regeneration controls with 0-100 calibration, and a filament rheostat. Binding posts are available for antenna, ground, filament battery, plate battery, and headphones. Wavelength range is 175-3100 meters. Original selling price $210. REF: "Clymer-Greenwood", page 26.
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.320731
label: serial number
content: 5210
label: patent number
content: 1113149
label: catalog number
content: 320731
label: accession number
content: 241556
objectType: label: Object Name
content: radio receiver
physicalDescription: label: Measurements
content: overall: 12 1/2 in x 14 1/2 in x 8 1/2 in; 31.75 cm x 36.83 cm x 21.59 cm