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Lee DeForest AUDION TUBE Patent Art Print vacuum READY TO FRAME!!! 1908 US
$ 5.27
- Description
- Size Guide
Description
Quality Reproduction of theOriginal US PATENT for the AUDION TUBE!!!
The original AUDION TUBE circuit was patented in 1908 by Lee DeForest.
Each sheet of this patent is reproduced on 8.5" by 11"
Antiqued Parchment Paper
, and includes the Drawing Sheet and Description sheet shown.
Own an amazing piece of HISTORY!!!
Ready to FRAME!!
Buy It Now!!!