Flickr: Hundreds of Vintage Transistor Radios

Michael Jack is an audio engineer from Barrie, Ontario. He has over 900 radios in his collection, including the the world's first transistor radio - the Regency TR-1, the extremely rare Sony TR-5 (a re-design of Sony's very first model) plus many classic American and Japanese sets. His Flickr photostream features over 500 different models, with more on the way.