![File:Vintage Regency TR-1 Transistor Radio, The First Commercially Manufactured Transistor Radio In The World (22490767867).jpg - Wikimedia Commons File:Vintage Regency TR-1 Transistor Radio, The First Commercially Manufactured Transistor Radio In The World (22490767867).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/6/6e/Vintage_Regency_TR-1_Transistor_Radio%2C_The_First_Commercially_Manufactured_Transistor_Radio_In_The_World_%2822490767867%29.jpg)
File:Vintage Regency TR-1 Transistor Radio, The First Commercially Manufactured Transistor Radio In The World (22490767867).jpg - Wikimedia Commons
![Texas Instruments Designs the Regency TR-1, the First Commercial Transistor Radio, and the First Widely Sold Tranistorized Product : History of Information Texas Instruments Designs the Regency TR-1, the First Commercial Transistor Radio, and the First Widely Sold Tranistorized Product : History of Information](https://www.historyofinformation.com/images/mapcache/66c5e5d3c2351275f30c974f3f877ee2.png)
Texas Instruments Designs the Regency TR-1, the First Commercial Transistor Radio, and the First Widely Sold Tranistorized Product : History of Information
![Museum Of Portable Sound on Twitter: "It's #NationalRadioDay, so to celebrate here's an advert for the very first portable transistor radio: the Regency TR-1, developed by Texas Instruments and Industrial Development Engineering Museum Of Portable Sound on Twitter: "It's #NationalRadioDay, so to celebrate here's an advert for the very first portable transistor radio: the Regency TR-1, developed by Texas Instruments and Industrial Development Engineering](https://pbs.twimg.com/media/DlDG9iZWwAEoX3Y.jpg)
Museum Of Portable Sound on Twitter: "It's #NationalRadioDay, so to celebrate here's an advert for the very first portable transistor radio: the Regency TR-1, developed by Texas Instruments and Industrial Development Engineering
![History of the transistor radio Transistor radios at one time were so popular that they were not only produced.. | VK History of the transistor radio Transistor radios at one time were so popular that they were not only produced.. | VK](https://sun9-39.userapi.com/impf/c851520/v851520914/194fa9/CGXOftyTKIw.jpg?size=510x340&quality=96&crop=35,0,780,520&sign=7d1e42cd8589eb3328d722470153cbad&type=album)