File:Advertising For Sony Transistor Radios (TR-6, TR-63 & TR-72) In The Vancouver Sun Newspaper, July 26, 1957 (46264879332).jpg - Wikipedia

TR-714 Radio Sony Corporation; Tokyo, build 1959, 30 pictures

Transistor Six TR-63 Radio Sony Corporation; Tokyo, build

Transistor Six TR-63 Radio Sony Corporation; Tokyo, build

1957 Sony TR-63

Transistor Six TR-63 Radio Sony Corporation; Tokyo, build

Transistor Six TR-63 Radio Sony Corporation; Tokyo, build

Transistor Six TR-63 Radio Sony Corporation; Tokyo, build

TR-72 Radio Sony Corporation; Tokyo, build 1956, 13 pictures

File:Vintage Sony 8-Transistor Radio, Model TR-818, Made in Japan, Circa 1963 (9346831548).jpg - Wikimedia Commons

Transistor Six TR-63 Radio Sony Corporation; Tokyo, build