Description: Quality Reproduction of the Original 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!!!
Price: 9.95 USD
Location: Milwaukee, Wisconsin
End Time: 2024-04-01T04:14:27.000Z
Shipping Cost: 3.95 USD
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All returns accepted: ReturnsNotAccepted
Country/Region of Manufacture: United States
