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[Funhunter]

Looking for Karl Von Mueller book"Vibrating Gold Concentrator, wet or dry"
Anyone able to help?

 

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[Sandman]

I used to have it, but can't locate if now. Try http://catalyst.coalliance.org/vweb...archType=2&argType1=any&searchArg1=0893166170

Amazon says they are out of print but available.

 

[lastleg]

Funhunter:

I have a copy somewhere but not readily available. As I recall you used a concrete mixer with a camshaft missing a piece to
produce the vibration that settled gold at the bottom. Been a long time since I read it but have a copy in almost new condition.