A Treasure of Free Homemade Gold Prospecting Equipment Plans and Commentary

Blue Bowl Concentrator

Thursday, November 29, 2012


A banjo looks like a dry washer but you ladle water into it. It is good for processing material in a creek or river bed where there are puddles and no flowing water.
This is the first time I have heard of the device and it looks like it makes sense.
http://www.gold-net.com.au/archivemagazines/may02/59329034.html#3


Credit for photo:http://www.mindat.org/photo-270415.html
Locality: Kuskokwim Mts, Yukon-Koyukuk Borough, Alaska, USA
                                                                                           
  
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