RCA "Radiola III-A" type RL radio receiver
date: label: date made
content: ca 1924
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: Marked: "Radiola / III-A / Type RL / Range 220-550 Meters"; patent notice and license data follows. Also: "8951 (8-19-24) [Serial No.] 447454 RCA". The Model III-A is a regenerative receiver designed for the broadcast band. Four WD-11 Radiotrons are employed in a circuit arranged to operate as a detector and two stage audio amplifier with two tubes connected in push-pull in the final audio reaction. A loud speaker can then be operated. Two types of tuning circuits can be used for varied selectivity. The apparatus is mounted below a composition panel and enclosed in a solid mahogany case. Reference: Langley Set Index, page 58. RCA Victor Service Notes for 1923-28.
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.321574
label: accession number
content: 241556
label: catalog number
content: 321574
label: serial number
content: 447454
objectType: label: Object Name
content: radio receiver
physicalDescription: label: Measurements
content: overall: 4 7/8 in x 11 7/8 in x 6 7/8 in; 12.3825 cm x 30.1625 cm x 17.4625 cm