Show A inn MI taking vertical angles below the horizontal with PAT 1 1 2 POCKET TRANSIT sighting and reading accomplished simultaneously by the aid of the mirror over NO BUTTON BALANCE 8 inch beam sensibility in use throughout the world 1150 milligramme Milli gramme A good balance for silver button and moderately used by the united states stales and several accurate gold button work superior to any balance on state stale geological surveys the market approaching this price being our cheapest grade ot of for further particulars send tor for button balance for further particulars send for catalogue C to I 1 catalogue B to WM AINSWORTH SONS 11 MAKERS 0 DENVER M M COL COLORADO U a ATHE MINE Sri ELTER SUPPLY CO salt lake city utah agents CYANIDE PROCESS toe TAO forrest GROB cyanide process is IN BOSI for the treatment of refractory Refractor yand and low grade gold and silver ores and tailings we are the originator inato s of the cyanide treatment 41 and have kept up with the times in all improvements in chani cyanide d e methods successful plants in operation in all western mining states samples assayed and fully reported upon properties exi examined mined 30 designs furnished for terms and particulars address the gold and silver extraction co of america lt I 1 OEO GEO A ANDERSON general manager WILLIAM ORR AGENT BUILDING DENVER COLO 0 BOX SALT LAKE UTAH TESTING WORKS 1711 1 BLAKE ST DENVER S ajl CHAS BUTTERS CU if H S LEAVER manager chemical and surgical lurg ical laboratory DOOLY BLOCK salt LAKE UTAH AL when writing to advertisers please mention the mining reva Revie iv |