Outboast your fan-friends with a Thermiodyne! Not quite sure what Thermionic Frequency is, but this one must have had it. Six tubes for loud speaking. Published in the March, 1925 issue of RADIO NEWS.



Source: Magazine collector Steve Davis

Restoration by: magscanner

Created on

Monday 20 December 2010

Posted on

Monday 20 December 2010

Tags

control, power, razzle-dazzle

Albums

• Advertising Art in Magazines / Radio, Television, Phonographs, and Recordings / Radio Sets

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