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03/07/2014

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Can't wait to see this exhibit!

Ken Moffett, who works at Macalaster College, designed and built our sediment washer. He says that he wanted to reproduce the "normal manual procedure of students standing in a river or at a sink dunking and lifting sieves ... and pictured a bucket and pulley in a well. The large diameter front wheel and axle of from a bicycle seemed to meet that requirements for the amount of movement needed."

Is the sediment washer shown (Duncan) utilizing a bike wheel? If so, what inspired the usage?

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