| Brand | Westinghouse |
|---|---|
| Time Period Manufactured | Pre-1930 |
| Country of Origin | United States |
Check the listing for details. Armstrong Superheterodyne Radio Circuit - Mug 15oz – RCA Tribute Edition. Condition: New, Made in United States. Listed at 16.97 USD. Featuring the original 1920 schematic of Armstrong’s circuit (yes, the real deal!). Step back into 1920 — the year when Edwin Armstrong turned a tangle of coils and vacuum tubes into. RCA and Armstrong fans.
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