Date: 1882
Manufacturers of rubber goods, rifles, pistols, bowie knives, etc., can scarcely supply the demand."  All sorts of labor-saving machines were invented to facil itate the separation of the gold from gravel and soil.  Patented machines, cranks, pumps, overshot wheel attachments, engines, dredges for river-beds, supposed to be full of gold, and even diving-bells, were made and sold.