Small Hand Powered Rock Crusher Machine

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Hand powered rock and ore crusher with a 2" bore. This "dolly pot" style crusher is perfect for crushing small samples in the field. The entire unit is heavy duty...

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The simple, hand-powered rock crusher that Pitt civil engineering graduate student Dave ... tires and forged in the Swanson School of Engineering machine shop. ... Most people work small farms and sell what they don't eat, but there also is a...

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