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Special Metal Tube Number, featuring x-ray view of new metal tube design. Also: "The Laxyman 'Metal 4' Receiver," "Metal Tubes in Test Apparatus," and "High-Fidelity Amplifiers and Tuners."
Artist:
Source: ebay seller powerangers
Restoration by: magscanner
- Created on
- Tuesday 6 April 2010
- Posted on
- Tuesday 6 April 2010
- Tags
- receiver, vacuum tube, valves
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