portable radio receiver - Wikidata
Transistorradio – Wikipedia
Transistor radio - Simple English Wikipedia, the free encyclopedia
File:Vintage Nivico Transistor Radio, Model 7TA-4, JVC - Victor Company Of Japan, AM And Shortwave Bands, 7 Transistors, Made In Japan, Circa 1961 (8344404050).jpg - Wikipedia
Crystal radio - Wikipedia
Transistorradio – Wikipedia
Sony TR-55 Transistor Radio (1955), en.wikipedia.org/wiki/T…
File:Radio.jpg - Wikipedia
Regency TR-1 - Wikipedia