It's Sixty Years Since the First Portable Transistor Radio Went on the Market and Started a Revolution

On October 18, 1954 the Regency TR-1 put music in your pocket for the first time.

The History of the Transistor Radio

Who invented the first portable radio? What were they used for? - Quora

TR-1 The World's First Transistor Radio – Inside the Collection

How the Radio Changed Over Time

Radio receiver - Wikipedia

Taking the transistor mainstream with music on the go - Marketplace

Regency TR-1 Transistor Radio History

Sangean PR-D17 AM/FM-RDS Portable Radio Specially Designed for The Visually Impaired with Helpful Guided Voice Prompts, Black, 10 Station Presets (5 AM, 5 FM), Stereo/Mono Switch, Alarm Timer : Electronics

The Sixties . Pop Culture

Old portable radios were marvels of technology from the 1950s to the 1980s - Click Americana

Who Invented the Transistor Radio? Discover the Origins

Why the radio is one of history's most important inventions