Signedon plate on front of receiving tuner, bottom center: Westinghouse / WAVE LENGTH / RANGE 180-700 / METERS / STYLE 307189 / RECEIVING / TUNER / TYPE RA / LICENSED FOR AMATEUR AND EXPERIMENTAL USE ONLY / SERIAL 69476 / PAT. 6-30-08 10-6-14 / WESTINGHOUSE ELEC. & MANUFACTURING CO. / EAST SPRINGFIELD WORKS / SPRINGFIELD, MASS., U.S.A.
on plate on front of detector / amplifier, center: Westinghouse / LICENSED / FOR AMATEUR / AND / EXPERIMENTAL / USE ONLY / STYLE 307190 / PATENTED / 4017-08 10-6-14 / 7-3-17 5-10-21 / DECTECTOR / AMPLIFIER / DA / SERIAL 39220 / WESTINGHOUSE ELEC. & MANUFACTURING CO. / EAST SPRINGFIELD WORKS / SPRINGFIELD, MASS., U.S.A.
Inscribedpainted on inside of trapdoor: [RCA logo] / LICENSED ONLY FOR / AMATEUR, EXPERIMENTAL / AND ENTERTAINMENT USE/ AND ONLY TO EXTENT / INDICATED / IN ATTACHED NOTICE.
FunctionReception of amateur and experimental radio transmissions
Historical Attributesfirst radio designed for home use
Related WorksJenkins;
Douglas, 3: 2-5;
Some information in "Guide to Old Radios" David and Betty Johnson, (cont) Wallace-Homestead. Page 28: photograph and some data: "1921 Westinghouse Model RC; includes both the RA and DA in the same box. Battery set sold by RCA; original price $125 (Gene Harris Actions)" Page 189 - listed under RCA by type RA/DA: "Regenerating receiver/amplifier combination. First commercial receiver sold by RCA.