[detecting]I modified an old Allied Services sluice box I had to include:
1) added ribbed rubber material used in newer sluice boxes at the upper end.
2) added a classifier which fits over the top of the normal design so only rocks smaller than 3/8 of an inch will be allowed in the sluice box.
I will try this new design up on the East Fork (San Gabriel Mountains) north of Orange County CA this Thurs or Friday.
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http://www.thunting.com/smf/index.php/topic,21249.msg143256.html#msg143256
There are 4 attachment(s) in this post which you can not view or downloadPlease register for viewing them. Complete Sluice.jpg Sluice - Classifier Removed Top View.jpg Sluice - Classifier Removed.jpg Sluice - Ribbed Material.jpg
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