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

Hidden treasures and stories from our collection

Teardown of iconic Sony TR-63 transistor radio from 1957 - Boing Boing

Regency TR-1 world's first transistor radio book, facts, pictures

Regency TR-1 Transistor Radio Facts and Figures

Vintage Transistor Radios of the 1950s and 60s

The Transistor Radio Launches the Portable Electronic Age

Sony Group Portal - Product & Technology Milestones−Radio

Regency TR-1 - World's first transistor radio - early example in

Regency TR-1 Transistor Radio History

5.2: Case History- How Math, Science, and Engineering Led to the

File:Vintage Regency TR-1 Transistor Radio, The First Commercially

Sony Radio TR-74 pri