Show ak C CHALLENGE I 1 ak cz I 1 by a big margin our centralized BALL MILL challenges the world for capacity in grinding ore to any mesh at a minimum of cost much less metal worn per ton of ore ground less horsepower required our mill costs much less our undersize is much less and we have no oversize prices subject to change f 0 b san francisco 4 foot mill 25 to 40 tons 1000 5 foot mill 40 to 60 tons 1250 6 foot mill 60 to 80 tons 1500 7 foot mill 80 to tons 2250 8 foot mill to 1 15 tons horsepower on mills of the above capacity we recommend 12 15 20 25 and 30 horsepower in the order mentioned to start and operate the mill has an all screen system the screen screen is made in sections and encircles the baseom base of the machine giving the quickest and most efficient discharge of any mill on the market the balls are 16 inches in diameter and weigh pounds each they are hollow have core holes in them ahem diametrically opposite so that a rod can be run through them and they can be rolled in on a skid like wheels on a wagon I 1 1 the 4 foot mill has 7 balls the 5 foot mill 9 balls 6 foot mill 11 balls 7 foot mill 13 balls 8 foot mill 15 balls I 1 when made in sections that are made to hold this mill can be carried into most inaccessible places with w ease traveling at a speed of 70 revolutions per minute the balls in our 4 foot mill hit any given spot on the bottom race at the rate of 8 times per second the planetary movement of the balls has the effect 0 of f scouring the pulp forcing the balls to wear even and always remain round for work on chrome tungsten a and nd kindred ores where slimes must be the least our mill is especially adaptable OUR ONLY ARGUMENT IS RESULTS we will cheerfully give you results obtained where our mills are operating call or write to the centralized BALL MILL j COMPANY ROBERT GREY general manager building san francisco cal gill III III III III its morrison merrill coo co the principal building material supply house housa in the intermountain west TIMBERS TIMBE L AND LUMBER SUPPLIES we can supply your requirements requirement S quickly from our salt lake yard stock or d direct shipment from the mills at wholesale prices if you want it quick call us phone main SALT LAKE CITY UTAH ir fc E L MURPHY president E A DUNCOMBE BUNCOMBE secretary SALT LAKE BOILER I 1 SHEET S IRON WORKS 10 SALT fu 41 WN loll 1011 51 WE manufacture boilers tanks welded steel pipe S tacks stacks structural steel and sheet iron work of all kinds wasatch phone office and works ath west Westie between tween ath a ond nd ath St south houth salt lake city |