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

How the Transistor Radio with Music for Your Pocket Fueled a Teenage Social Revolution, At the Smithsonian

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

Portable radios hi-res stock photography and images - Alamy

The First Transistor Radios - 1950s

Proceedings of the I.R.E. Vol. 40, no. 11 November 1952 . THE TRANSISTOR ISSUE, William Shockley, Alfred N. Goldsmith

File:Newspaper Advertising For The Regency TR-1 Transistor Radio, The San Bernardino County Sun, December 19, 1954 (14650638539).jpg - Wikimedia Commons

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

Who invented the transistor radio? - Quora

Vintage Advertising for Emerson Model 838 Transistor Radio

Regency TR-1: The First Transistor Radio, 1955

TI announces 1st transistor radio, October 18, 1954 - EDN