1st commercial transistor radio goes on sale, November 1, 1954 - EDN

Jointly produced by Texas Instruments and TV accessory manufacturer IDEA (Industrial Development Engineering Associates) Corp, the TR-1 was the first

The Birth of the Regency TR-1 and the Transistor Radio

Old transistor triples its original price

National Museum of American History

Transistor radio - Wikipedia

1st commercial transistor radio goes on sale, November 1, 1954 - EDN

The Transistor Radio Nuts & Volts Magazine

Transistor Radio, History Detectives

Retro Thing: Regency TR-1: Igniting the Transistor Revolution

The End of AT&T - IEEE Spectrum

1st American jet passenger airliner flies, July 15, 1954 - EDN

Regency TR-1 Transistor Radio Facts and Figures

The First Transistor Radios - 1950s