Show SWELTER SMELTER SAMPLING the idea seems prevalent among men operating small mining properties that the smelters shelters sm elters and custom mills have in many cases given false returns on ores that are sent in for smelting smelling sm elting and treatment with a view to ascertaining the facts of the case the arizona state bureau of mines has conducted an investigation and has found that it would be utterly impracticable for any smelter or mill to so falsify its method of sampling as to give low returns and still give the shipper one half of the sample to allow check assays essays to be made bulletin no 26 of the arizona state bureau of mines was written with tile the idea of showing the small shipper how to sample so that lie he may sample his ores before shipment to ascertain the correct value thereby having a check on the smelters shelters sm elters smelter methods of sampling are given in considerable sid erable detail so that the reader may determine for himself that owing to the great changes in tile the routine and the large number of men who would be concerned in any falsifying system the smelters shelters sm elters could not afford to give incorrect returns it must also be considered that when the copper queen mine for instance ships to the copper queen smelter the smelter purchases the ore precisely the same as it does the ore of the man who ships terl ten tons and the hig and umpires are lone done under the same conditions details as to the smelter methods of sampling are given in bulletin no 26 entitled mill smelter sampling by H I 1 J stander and may be obtained by writing charles F willis director arizona state bureau of mines tucson arizona |