Interesting Prospecting Equipment




I ran across this equipment this last weekend down in AZ.
I'm not sure what you call this, it appears to operate without
water, so maybe a vibrawasher. Sure is high up to that hopper though.

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I also  came across this triple
bellows drywasher setup. Very interesting how the bellows were
setup more like piston bellows, no cloth. The hopper above had
an offset rotating weight to create a vibration, to screen better.
Also, each bellows had the upper end suspended in coil springs.
  This creates a riffle up down vibration as the bellows works.

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