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Homemade Sand Washing Machine

2020-4-17Homemade Portable Gold Mining Trommel Hackaday. Sep 02 2014Homemade Portable Gold Mining Trommel. TheJogdredge has been testing out his newgold washing machinesthat he made at home. By running dirt laced with rocks through this trommelgoldand precious materials can be filtered out. A video of the process can be seen embedded below. Get

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