Kennedy type 281 radio receiver
date: label: date made
content: ca 1923
name: label: maker
content: Colin B. Kennedy Co.
notes: label: Description (Brief)
content: Marked: (Engraved panel reads): Type 281 Short Wave Receiver. / The Colin B. Kennedy Co. / San Francisco / St. Louis / Kennedy Equipment. (Metal tag and top lid reads): The Colin B. Kennedy Co., St. Louis-San Francisco. Licensed under Armstrong U.S. Patent 1113149. Issued Oct. 6, 1914. For amateur and experimental use only. Serial No. L6240W2. This unit is a regenerative detector using a CX301-A triode. Three panel dials include an antenna coupling control, a secondary condenser and a plate or regeneration control. Other panel controls include a SHORT-LONG wave switch, primary tip switch and a filament rheostat. Appropriate binding posts for battery and headphone connections are located on the front panel. CX301-A tube is missing. Unit sold for $145 in 1923. REF: "Clymer-Greenwood", page 25; "Langley Set Index", page 38.
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.320812
label: catalog number
content: 320812
label: accession number
content: 241556
label: patent number
content: 1113149
label: serial number
content: L6240W2
objectType: label: Object Name
content: radio receiver
physicalDescription: label: Measurements
content: overall: 7 1/2 in x 17 3/4 in x 7 in; 19.05 cm x 45.085 cm x 17.78 cm