![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
![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://historyofinformation.com/images/Screen_Shot_2020-09-23_at_5.44.58_PM_big.png)
Texas Instruments Designs the Regency TR-1, the First Commercial Transistor Radio, and the First Widely Sold Tranistorized Product : History of Information
![The Transistor Radio Launches the Portable Electronic Age | At the Smithsonian| Smithsonian Magazine The Transistor Radio Launches the Portable Electronic Age | At the Smithsonian| Smithsonian Magazine](https://th-thumbnailer.cdn-si-edu.com/pMz3ECfec_K4XWizEODedwQOXb4=/fit-in/1600x0/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20111018020005Regency_TR-1-small.jpg)
The Transistor Radio Launches the Portable Electronic Age | At the Smithsonian| Smithsonian Magazine
FEU Institute of Technology - It was on October 18, 1954, when the first transistor radio was invented by Texas Instruments. #TechnologyDrivenbyInnovation #TBT | Facebook
![WCSA - On This Day - August 07, 2018 - Tokyo Telecommunications Engineering, the precursor to Sony, begins selling its first transistor radios in Japan in 1955 - WCSA.WORLD WCSA - On This Day - August 07, 2018 - Tokyo Telecommunications Engineering, the precursor to Sony, begins selling its first transistor radios in Japan in 1955 - WCSA.WORLD](http://worldkings.org/Userfiles/Upload/images/DSCF4049.jpg)
WCSA - On This Day - August 07, 2018 - Tokyo Telecommunications Engineering, the precursor to Sony, begins selling its first transistor radios in Japan in 1955 - WCSA.WORLD
![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)