Filament Rheostats
These control the amount of current going to the valve filaments and serve as being crude volume controls.
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Uploaded on July 8, 2012
Taken on July 6, 2012
Filament Rheostats
These control the amount of current going to the valve filaments and serve as being crude volume controls.
533
views
0
faves
0
comments
Uploaded on July 8, 2012
Taken on July 6, 2012