Sony Group Portal - Product & Technology Milestones−Radio
Amazon.com: Sony ICF-S10MK2 Pocket AM/FM Radio, Silver : Electronics
Vintage Sony Transistor Radio In Leather Case, Model TFM-9… | Flickr
File:Vintage Sony Transistor Radio With Leather Case, Model TR-817, AM Band, 8 Transistors, Made In Japan, Circa 1962 (49451036838).jpg - Wikimedia Commons
Sony ICF-M260 FM/ΑΜ Portable Radio Digital Tuner | eBay