rca: AR-812 'Semi-Portable'; Radiola Superhet

ID: 356237
rca: AR-812 'Semi-Portable'; Radiola Superhet 
28.Aug.14 11:16
2000

Moisés Piedade (P)
Articles: 13
Count of Thanks: 5
Moisés Piedade

Armstrong explains some of his research  work trying to do the first super heterodyne radio viable.

Obtained from a copy of Wireless Age, April 1924, stored in americanradiohistory.com

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