Superheterodyne Receiver Patent Print
Patent No. US1342885 · 1920
Invented by Edwin H. Armstrong
Vintage 1920 patent drawing of the superheterodyne receiver by Edwin H. Armstrong. Museum-quality archival giclée print.
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About This Print
Vintage 1920 patent drawing of the superheterodyne receiver by Edwin H. Armstrong. Museum-quality archival giclée print.
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