Show M CHAS R mccormick mcco RM ICK CO C 0 M portland branch E H meyer manager OFFICES LOCATED ALSO yeon OWN AND OPERATE M portland oregon S S klamath M fife san francisco calif Wa pama manufacturers and wholesale lumber ff multnomah nomah van nuys celilo cecilo Ce lilo M los angeles calif rail and cargo shippers 11 willamette yosemite Rm 2733 no 17 battery place new kNY OUR specialties J B stetson timber creosote lumber and M nehalem Ne halem M yards san diego calif mining n temple E dorr railroad material 19 shoshone mills and creosote plant st helens ore sch forest home we handle feet annually I 1 T gebala ababa ARCO ancs company HERBERT G THOMPSON general superintendent lower rochester nevada may 26 25 1910 1919 john finn metal works second st san francisco e gentlemen we are sending you herewith data on the test run made with your air separated zinc dust during the month of april figures for the month of march cover results obtained with another brand of manufactured dust which we have been using during the last two years and are representative senta tive of results over that period mar 1919 apr aar 1919 r zinc dust consumed per ton ore milled lbs ibs lbs ibs zinc dust consumed per fine ounce bullion fineness of bullion produced ratio silver to gold 1 conditions such as solution temperatures strength of cyanide and tonnage precipitated were practically the same for both months Q As a result of this test we are now read ready y to close a contract with you for our years supply of zinc dust on the terms offered to us very truly yours NEVADA PACKARD MINES CO herbert G thomson general superintendent i ly l y for 3 effic economy we there are two reasons why the yeb by use of giant explosives means indans better and cheaper blasting they are the original american high explosives and the utmost skill backed by long experience is is emr employed joyed in m their manufacture thus you are assured of uni uniform form strength always they are western products made by a western corn company paDy to especially solve western blasting problems no other brand of explosives can offer you ta these iese unusual advantages the genuine giant explosives may inay be b identified by the giant trademark afi on every case THE GIANT POWDER COP CO P con for Blas blasting tins rome home office san francisco branch Oft offices ices denver portland salt lake city seattle spokane if ILAF abw |