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Show UTESTSTEPM Garfield Tables Have Wrought LMg Change in Mammoth Milling Plants. TO UTAH COPPER ALL CREDIT IS DUE Application of Tables May Increase In-crease Capacity of Other Plants Also. Undoubtedly one of the most Interesting Interest-ing and Important developments In the porphyry copper oro treatment Industry for over a year Is tho Improvement being made at tho Garllold mills of (ho Utah Copper company. Without, adding to the roof space, the manngement Is Increasing Increas-ing tho original Utah Copper plant from S000 to 12.000 tons dally, and the old Boston Consolidated mill from 3000 to S000 tons dally capacity. While this alteration al-teration has heen made public, nothing has been published In regard to the manner man-ner In which tho management has brought this about. Until the company sees lit to make public pub-lic a technical explanation of the alteration, altera-tion, such descriptions as the following one must sufllce. Ono knowing whereof he speaks says that tho oro Is ground as If for treatment by tho Jigs, but the Bingham ores are not adaptable for jlg- trlnir. so Hip nrmliml la lm mil.-., I lir roughing table, known as tho Garllold table, which provides the new clement In concentration. These Gurflold tables make a very .substantial saving of tho metallic contents of the ore. nnd tho tailings from those tablet are then ro-tnrned ro-tnrned to the Chilean mills and reground and then sent through I ho mill as of old. The process was worked out at the Garfield mills by the management to which all credit Is due. The Importance of this now procoss becomes apparent when applied to the I'lah Copper plants, but more so when it is considered that the Ely ores are specially adapted to this process. The Nevada Consolidated mill, for Instance, undoubtedly will be next In line to benefit by tho change, greatly Increasing Its capacity ca-pacity without adding to tho roof space. It Is also probable that the Ray Consolidated Consoli-dated company of Arizona run utilize the same process, the ore being considered consid-ered of a sufficiently tractablo character, so the 0000-ton mill now being Installed may be treating considerably more than this. It is not generally known that Engineer Rogers and a largo corps of assistants have completed a thirty-day test of the old Boston Consolidated and the Utah Copper Garfield mills, and his report will enter Into a comparative statement or description de-scription of the two plants. There always al-ways has been a groat dispute as to which plant made the most logical saving, sav-ing, and the comparison between tho two made by Mr. Rogers will be awaited with considerable Interest locallv as well as throughout the mining nnd milling world. Boston Copper Stocks. James A. Pollock & Co.. bankers and brokers, furnish the following, received over their private wire yesterday afternoon: after-noon: BOSTON COPPER RANGE. I aaics-l 11. I L. IClso Boston Con igj yji Butto Coal 345I 22 22 2,i Rutte & London I 20c 13c (5c Cal & Ariz 67 C51 G51 Con Mercur 1 Jfic 10c 15c Copper Range 405 72 71 71 Daly West 20 9 S 9 Davis Daly j East Butte I 2C5! S3 8j S ''ly Con C5c 55c G5c GIroux Con 975 SJ 81 SI Oranby Con 50 45 50 Greene-Can 1400 10i 01 01 Novada Con 111 22 21 & 213 Nevada Utah ' l 96c 96c Nlplsslng 190 10 10 10 N Butto 13592 41 35 35 Trinity .no 7 7 7 U S Smelt Com ... S50 45A 111 111 do pfd no ioi 49a Mi Ltah Con 1095 2.i 23 25 S t Boston i::i 13 13 Rny Central 37 nj 31 La Rosa nj 35 35 Indiana S50 .12 30 30 Mt Lake fif,5 17" Ifij 10J Chief Con 100 2i 21 l Mason Val 9 si 9 Lako I 4035' 62 57 57 BOSTON COPPER CLOSE. I Bid. lAskjd. Cactus 5 3.75 j$ 3. 87A Ely Central .oo 1.061 Gila 6.50 I 7.00 Oncco 4.1211 i.37i Yuma .93 1 .ns Nevada Douglas 2.00 2.75 Ho.ston Ely 3.00 3.25 Chlno 13.20 13.50 First NatM 3.75 2.S7A Inspiration 7.75 7.S71 Majestic .77 .50" South Lake .S.S74 o!l2t Tonopah '. U.S7J 7 lt Bohemia 10:00 10.50" Ely Witch 11 .is Goldficld Con 7.75 7 87; South Utah I 2.00 I 2 25 Utah Apex 3.50 3.621 Hancock 21.00 2.00 Miami 23.871 24 li OJlbway s.f.o olso 51" 25.50 26.50 VAnc Sites 15 .-jo Ray Con 19.50 20.00 Coppor Lottor. James A. Pollock .t Company, bankers and brokers. 333-335 South Main street furnish tho following, received over their private wire' yesterday uflenmon: Paine. Webber and Co. Letter Boston The Boston market opened fairly aloaxlv followed by profit taking. There were a great many stocks pressing for salo nnd but very few buvlng orders under the market. North Butte was especially weak, ilue to (he unfavorable report which came out today. Tho selling movement move-ment spread throughout tho room, prices closing practically at bottom. Tho N.'w York market was under heavy pressure owing lo a rumor that the price of stool billets would be reduced. On anv further break In the good coppers, would lako on a Tew only to soil them out again on a quick rally. 1 |