![Alexander Mullen on Twitter: "Tokyo Telecommunications Engineering (later to become Sony) began selling its 1st transistor radio, the TR-55 #onthisday August 7th 1955. #radioads #yorkshire #podcastrecording #Sony https://t.co/1NFQhkYpFb https://t.co ... Alexander Mullen on Twitter: "Tokyo Telecommunications Engineering (later to become Sony) began selling its 1st transistor radio, the TR-55 #onthisday August 7th 1955. #radioads #yorkshire #podcastrecording #Sony https://t.co/1NFQhkYpFb https://t.co ...](https://pbs.twimg.com/media/E8LE2vQX0AEa50I.jpg)
Alexander Mullen on Twitter: "Tokyo Telecommunications Engineering (later to become Sony) began selling its 1st transistor radio, the TR-55 #onthisday August 7th 1955. #radioads #yorkshire #podcastrecording #Sony https://t.co/1NFQhkYpFb https://t.co ...
![Tokyo, Japan. 12th Nov, 2016. Japan's electronics giant Sony displays the company's transistor radio receiver "TR-55" produced in 1955 at the company's retrospective exhibition "It's a Sony exhibition" at the Sony building Tokyo, Japan. 12th Nov, 2016. Japan's electronics giant Sony displays the company's transistor radio receiver "TR-55" produced in 1955 at the company's retrospective exhibition "It's a Sony exhibition" at the Sony building](https://c8.alamy.com/comp/H8GNDP/tokyo-japan-12th-nov-2016-japans-electronics-giant-sony-displays-the-H8GNDP.jpg)