There is beauty in simplification. I once had a friend who was a mathematician who would comment about a solution being "elegant". The word seems to fit this situation to a T.
A mini-sluice is a fairly cheap thing to buy (molded plastic, a couple pieces of moss with clips to hold it in, and a metal shoot, usually, that can be attached for sliding material) - maybe $35 online?
Well, here is a mini-sluice that is very effective and consists of about 2 feet of ribbed rubber matting and two clothes pins. Global Industrial carries the corrugated mats for $7.90 (Internet 05/26/2013).
(http://www.globalindustrial.com/p/foodservice/mats-carpets/protections/1-8-thick-3-w-corrugated-rubber-runner-custom-cut?utm_source=google_pr&utm_medium=cpc&utm_campaign=Runners-google_pr&infoParam.campaignId=T9F&gclid=CL3-7LiZtLcCFYU-Mgod7gQAiw)
You will also need 2 clothes pins.
This post has great photos and is what my friend would call "elegant". See, http://www.arizonagoldprospectors.com/blacksand.htm
Henry Sandham -- The Cradle
Here is a depiction of a 19 century miner and his rocker box. Just a sluice that rocks, these inventions helped the 49ers process more material for the precious placer gold. Courtesy, Wikipedia
A Treasure of Free Gold Prospecting Equipment Plans and Commentary-- I gold prospected in Arizona 15 years. Am on a budget working on success mining. If you want gas money, cut corners to get to the claims. I began homemade equipment in 2008. First just looked at other folks' equipment; copied on my own. Took tape measure to a meeting or an outing & measured parts. I looked for plans on the Net. Posting commentary on free plans is offered. URLs are here too.
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