[TCML] Repair/restore of an old induction coil

[<mrapol@xxxxxxxxxxxx>]

I just acquired a rather large Ruhmkorff type induction coil, circa 1920 or 
so. After cleaning the contacts I get a modest spark but such a  large coil 
ought to be good for more. There are three ancient condensers, and I suspect 
at least one is bad. Each is rated at .45 MFD and 400 volts. They are linked 
in parallel and are easily accessible. If I replace the condensers, should I 
cleave exactly to the original setup, or could I use other configurations to 
achieve the same capacitance, etc?

The coil was made by the Pontiac Coil Company, and it's about 14 inches long 
by 7 wide.

Paul Thompson 

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