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: on panel: "Type 281 Short Wave Receiver / The Colin B. Kenney Co. / San Francisco." On nameplate: "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. 180LW2". Unit is a regenerative detector using a CX301A triode. Three panel dials include an antenna coupling, secondary condenser, and a plate or regeneration control. Other panel controls include a short-long wave switch, primary tap switch, primary tap switch, filament rheostat. Appropriate binding posts are located on front panel. One side panel cracked--in need of repair. Original price: $145.00 REF: "Clymer-Greenwood", page 25 (Illustration appears to be a later model). "Langley Set Index", p. 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.320813
label: catalog number
content: 320813
label: accession number
content: 241556
label: patent number
content: 1113149
label: serial number
content: 180LW2
objectType: label: Object Name
content: radio receiver
physicalDescription: label: Measurements
content: overall: 7 1/4 in x 17 1/2 in x 6 1/8 in; 18.415 cm x 44.45 cm x 15.5575 cm