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redrabbit 6th January 2009 02:49 AM

old part - dual variable inductor...see pic
I picked this up at a surplus store.

Do you see any use for this?... perhaps in a LC filter ?
Inductance of each pot is varied simultaneously, via a shaft and gears.
(Values of Henry's and it's abbreviations utterly confuse me.) (click on pic)


Here is the patent..


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