Lot · Other Vintage Electronics
Progress in Electronics-Inventors and Inventions Stamps
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Sun · Jul 5, 2026
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Condition
New
Condition tiers
New
Used
Refurbished
Damaged
Unspecified
Ships from
ZIP 543**
patandgonzo
4,461 ratings · 100.00% positive
Description
From the seller(4)'DeForest Audions', invention of an electronic or amplifying vacuum tube by Lee de Forest in 1906.
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