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Re: Addendum-DC Tesla
[snip from Ed Phillips post]
> Sure it's rectification due to dissimilar electrodes. You can
> charge a capacitor with DC from a spark coil if you use such
> electodes, for example a disk and a needle, and play with spark
> length.
[snip from Richard Hull's reply]
>I really doubt if dissimilar metal make a difference. My experiments all
>use aluminum-aluminum! I have nevr used dissimilar metals in my DC work
>to avoid just such a suggestion.
Ed,
Are you talking about dissimilar metals, or dissimilar electrode shapes as in
the disk and needle?
Charles Brush
(finding this whole rectification discussion quite interesting!)