Just as digital camera makers would with megapixels four or five decades later, makers of transistor radios would cram as many transistors as they could into their products in a game of one-upmanship.

But a radio from the 1960s or 1970s is reaching the 60+ year mark and people are restoring old transistor sets. [Adam] picked up his first old radio, a 1970s vintage Ajax Command S-74. He was ...

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 ...