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Gold Concentrator Knudsen Bowl

Gold Concentrator Knudsen Bowl

2020-5-12Bowl concentrators have been used only to a limited extent in small placer operations. The two most popular designs were the Ainlay and Knudsen bowls. There is little difference in design and operation between the two except for riffle design and minor variations in bowl sie and shape. They were used primarily as cleaners but have fallen into disuse due to the availability of more efficient

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