atwater: Atwater Kent restoration and test
ID: 677915
This article refers to the model: 4640 Model 20 big box (Atwater Kent Mfg. Co.; Philadelphia, USA)
atwater: Atwater Kent restoration and test
20.Dec.24 23:35
454
This article describes the restoration and test of an Atwater Kent model 20, big box.
The output AF signal is improved by using a -C battery, not initially in the schematic.
The receiver has outstanding performances for the begining of the 1920's.
Attachments:- Restoration and test of AK model 20 (594 KB)
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