Making A Transistor Radio, by [George Dobbs ... and finally a page on finishing its case with a mounting for both speaker and battery. The final receiver might not have been as good as its ...

After a few modernizations and tweaks, the result is an 8-transistor ... of reading quality Radio Shack documentation. Check out the video below where he uses a 9 V battery and half a watt per ...

It will also operate small transistor radios, and Elgin researchers believe that it will eventually be used in hearing aids. When worn in close contact with the human body, the battery must be ...

They had to catch the attention of the public. That happened with the hand-held radio. The first transistor radio was a joint project between the Regency Division of Industrial Development ...