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Collection: Books and Periodicals > Mining & Scientific Press

Volume 12 (1866) (428 pages)

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Che Mining and Scientific Press. 89 (Written fer the Mining ana sclemiloc Prvas. . Roasting of Sulphurets. Messrs. Kvitors :—Observing an article on this interesting snbjeet from the pen of Mr. J. Mosheiwer, in a morning paper ol this city, in which he extols a procezs of his own, at the same timo asserting that ne other exists whieh will answer the purpose as well, it may interest the pablic to be intormed thit a cheap and effeetnal process does exist, and that furnaees ¢un be eynstrncted cheaply for the pnrpose set forth, without tho necessity of our miners entering into the maunfacture of crudo sulphur and bisulphide of curbon, which are comparatively valueless in this wurket, as Mr. Mosheimer adunts. 1 do not eare to point out the defects which most certaiuly exist in Mr. Mosheimer’s plan, my ohject being ruther to present in a favorable light the superior claims ofa discovery, nude hy Mr. J. A. Peer and myself, of an easy niethod of reductinn for sulphurets of ull descriptions. The necessary papers have been filed in the Pateut Ofiee for this invention, and it will be set in operation immediately. This discovery inay he briefly descrihed os follows: A squaro hrick furnaee is erected, with the ordinary square fire-box in tho:éamo, ant two small semi-circular boilers uro so placed in the fire-box us to leave a spaco hetween them for the passuge of the entire heut upwards tn the hearth, around which the flues pass. ‘Pwo steam-drume are placed in tho briek-work «hove the hoilers, which furuish sufficient steam to run any quantity of maehinery desired, as well as for the use in tbe furnace which shall he described presently. ‘Vhe hearth of the furnace, the most important part of the invention, is constrocted either of soap-stone or fire-clay tiles, and is inelosed on nll sides exeept the top,so as to prevent either the draft or flume eoming in contact with the ore henped up on its surface, ‘The sulphurets are mixed with a definite quantity of powdered charcowl aud fine salt, and well moisteued with water, and are then paeked elosely upon this hearth to the depth of lrom eight to twelve inehes, aceording to the capaeily of the fire-box for tuel. The muss is snffered to lie undisturbed for from three to five hours, when steam is injected under the oro hy ineang of 2 series of small pipes supplied from inain pipes connected with the ,steam-druins. No uttention is necessary exeept to keep the temperature of the mass ata red heat for at least three hours, when the steam is let on for twenty minutes to force out what sulphur may remaiu, and complete the oxidation of the particles of iron. Stirring is uunecessary ; in faet, it would be fatal to the operation. A high areh is coustrueted above the hearth, of sufficient area to allow of the expausion and free passage of the gases arising from the hearth. ‘lhe flues from the fire-box also pass into this arch, and the draft earries off all the fumes ns soon as they have risen toa proper distance froin the muss of ore. No partieles of mineral matter, be they light or otherwise, can rise from the hearth. beeause there is no eurrent to carry then np. ‘he heat is never raised 80 hizh as to volatilize even silver. And eveu if this slonld be the case, we are provided with a condenser of an improve -canstruetion, which will condense and precipitute all metallic Tames into a receiver, where they may be collected and saved. Chuarcual is used for fuel, hee:use it is the eheapest, giving out the most heat ina specified time, and is without the dense fumes and flames that aecompany other species of fuel. W-here steam can be had from huilers already erected, the furuaee may be built without them, and supplied bya conuection with the exhaust-pipe or any other. ‘This' furnace is built with doors at each end for both tuel and ore, so that, fora hearth of the length of ten feet, there is but five feet distauee to work upon. ‘Phe mass of ore, when the oxidatiun is complete, israked inte a ehute and conveyed into the pan for amalgamation. Another hatch may then be placed upon the hearth in the same tanner. ‘lhe hearth may be bnilt of any size, to hold aton or wore, with-/ out enlarging the fire box to more than uine . square feet,. and by exteuding the flues. As. an economical aud sure method of roasting salpharets, this furnace process meets the ap-. prohation of all practically scientific men who . hrve examined it and teste its merits. ‘l’o the impraetieable theurist it can of eourss only . be a wonder, which it were a waste of time to explain. A few words, hnwever, may uot be amiss in illustration of the philosophy of this diseovery. Tho sulphurets being intimately mixed with powdered chureval, the sulphur combines with it ina greut measure, nid is coneumed with it and passes off in its fumes, Just sufficient salt ig used tu assist in disengaging the sulphur from the ore, but nat enough to forma chloride with the gold or silver. The decomposition of the water in tho mass allows the hydrogen to combine with a portion of the sulphur, and this, being light, rises Into the current and is earried off through the ehimney. Raw stenut injected throngh the mags svon becomes superliented and decomposes, and the oxygen combines with the iron while the hydrogen carries off what snlphur may still lmyer inthe heap. ‘Pho burning of the powdered chareoal leaves the imiss porons and permeable hy tho injected steam, so that every particle of the oro receives the benefit’ of it. The most refractory ores of ‘all . descriptions muy he treated in this way. Neither arsenien! nor antimonial ores ean resist this treatment. They only require a little . longer time thnn ordinary sulphnrots. Drawings and un experimental furnace, with some of the results ol operations with the same, may be seen on applicution te J. A. Peer, at the Fulton Fonndry. As soon as a model of this useful invention enu bo completed, we will fnrnish you with an engraved illustration of the same for the henefit of your readers, W. I. Mannrno. <a (Weltten Yor tho Mining and Scleniific Press.} Letter from J. H, Ormton, We have before us a letter, dated Austin Nevada, Januury 30th, from “J. TH. O.,” in reply to the Reese River Eeveille’s attack upon him and his former article. It is ahly written, spicy, and equal to his subject, but as it is out of the line of this journal to insert personalities (especiallyover an assumed name), we deem it just to quote only the inost argumentative portion of the letter : * * * % * Bnt seriously, all I have got to do is to treat of the facts of the case between the Reveille and myself touching the mills and miues around Austin. T stated that, in connection with the Reese River district, thera were over 250 stamps, either ready to work or heing made ready, aud the Reveille affirmed,in reply, that thero would not be 150 when all the mills were eompleted. 1 give you a hist of our mills : Milla. Stonps. Conlidence, Yaukee Blade. 10 himyjare, da, . Melnconm, do, Midas, do. Butte, do. Keystone, do. Anstin and Colfax, dv. Silver Hill, Austin. Manhattan, do, . Boston, do, Ware, do. California, do. Coin, 0, Hildreth, do, Pioueer, do. Clifton, do. Parrott, Big Creek. 16 Phelps, do lo Eureka, do. 10 Lippett, do, eee 5 Total . scene tne cee nee enentoneeene If the writer in the Reveille does not know how many stamps he has got around his quarters, the foregoing list will be of value to bitin, Tor it is certainly within ten or filteea stamps of being eorrect. * * w : J. H. Orwron. Tae New Granana Mixes.—We have little reliable information from the Barbaeoas mines, New Granada, which, at present, are engrossing the attention of the nore excitable portion of onr community. ‘Phu district 1s located seventyfive or a hundred miles inland from ‘lontaco, whieh port is situated ahout four hundred miles from Panama. Our hest anthoritics agree that the mines there hare been operated on for years, that they are lucated in an unhealthy climate, and are only to be developed under many disadvantages. ‘ Whenever we can eommand any facts of real value to the readers of the Press, eoneerning this district, we shall not hesitate to bring them forward. Nexr ro tus OLnest.—The Mountain Demoerat, published at Plaeerville, has entered upon the thirteen year of its existeuee. With the exception of the Calaveras Chroz/cde, it is said to be the oldest paper in the State. <_ TIieat De, Moxts.—his famous mine and works were recently sold at auction, for the taxes of 186-4, amounting to $608,01, to A. Gamble. There is no provision for redemption in the Nevada laws, in such eases. 1852: 1866 ANEW VOLUME. Fourteenth Year of Publication, THE GOLDEN ERA. Pounded in 835%. The oldest Weekly Paper In tho State, permanently egtablished, and tore whicly circulated at homo aud abroad than any other ot the Pacide Coust. [0 California, the Alluutic Stiles, und throughout the eutire lield of its great and raidty lavrensing circalutian, Tug Gentes Era is uul. versally regarded agw Literary nad Family Journal of un: . equafled execllence, Among its centribulors are all tho best writers on this sido ot the Continent, and correspoud. enle tapl contribnturs of distinguished ability iu New York, Parts and London. ; Miss BRADDON'S greatest Sensation Story, published 7 frean advunco sheets:
RUPERT GoopDWiInN; —on— SECRET OF WILMINDON ANOVKL,—BY MISS MB, NRADDAN, Author of Lady Andley‘s Seerat,'* ©The Onteasts,* “The Dector’s Wife,” *‘Turee Times Dead." ete, a, TIE GOLDEN EKA, NowW IS MIE TIME TO SUBSCRIBE] THE HALL. Opinions of the Press. Tux Gorpen Era.—We would call the attention of all new ly-arnived Californians to this exceltont weekly cotemporary, We buve seen tho Era so frequently at the family fireside, und in the rude cubias of many Judustrious miners, thut it would seem superfluous to recommend It to old Califoruians, Its the oldest literary journal on the coast. (S. ¥. Miuing and Svientific Press, Tnk GanvEN Era, which has just entered npon its fourteenth yohuue, i5 fuily ertithed to be considered as THE literary paper ef the Pacific const, Its proprietors understand the waits of the cauimunity, und furnish lbeir read. ers with all the popular works of fictiou ag last as the proof-sheets are recuived from the Lasiern Stales and Buropo, wud with u greater variety of original matter in the line of light Iterature, than can be Yound in auy similay paper ou the cuutinent._{s. F, Alta Calitornio. THe Goupex ERA has entered upon its fourteenth year of pubhention. Heavy many competitors fer pnblic favor have been sturted during this time, and vot possessing the freshness and originality of the Gotnex Era, have struggicd through a short, sickly existence—at last lo ‘ flicker out’? —alinost unooticed. No single paper in the State is moro read and admired, and frieuds in the Stules appreciate it fully us highly as the thousaads here wha weekly scan ils columns. It is no capyist, belug ia all its main features Califoruinu, aud unllke the ‘story papers” in general, i158 contents are interesting to ali who take au iuterest in the liternture of this const.—[Nupn Reporter, Tnr Goupen Era, as a good family paper, asa literary preductwu, caunut be surpassed within the limits of America, and Ameriea hvats the world in publication of firstTate literary papers. ‘It is filled'to overflowiug wlth excellent reading watter, original and selected prose and poetry, Itia now pubiushing, from advance sheets furuisheil from New York, two very interesting stories, each chajder of which is alone worth the subscription price of the Gotprx Era.—{lolsom Telegraph, Tax Gu.ven Era is decidedly tho best journal of tho kind on {lis coast, and, we had almost said, iu the United States. It is prepared with great curo and fahor,and pub. Jishus an immense amount of reading matter, The serial stories-of the best authors are printed in its columns, and its local gossip is always pungent, racy nnd instructive— (8. F. Examiner. THe GoLpEN Era is one of the hest journals of its class iu the whele country, and is carefully oud Intelligently conducted.—[S. F. Aierican Flag. Tur Gorpen Pra is enlarged hy the addition of eight columns of reading matter. It was never more worthy the snppurt of the reading public than at present.—[s. F, Morving Call, . r Tur Gotpun Era . s decidodly the best famlly paper published in the Stute and we are pleased to learn that it is in a flourishing conditiou.—{Sacramento Bee. Tum Gotnen ERA, oS a strictly literary and news paper, is chief among the hest. Its correspondence and editorials are of that originalily of style so peculiar to this coast.— [Oregon Sentivel. Tnx Gotpty ERA is the best literary paper published on this const. 1t ubounds in stories both real and Getitious, which are worth @ careful perusal by every oue.—[Santa Cruz Seutinel, TRE GoLpEX Bits isa good a literary paper as ean be procnred on the contipen!.—[Red Bin& Independent, Tur Gorpen Era has entored upon its fourteenth volume. Tt is by fa best literary and fumliy paper ever published on this coast.—[Sonoma Democrat, Yas Gorpes bra isa most ably eotducted literary jourtal, m every way worthy of its larg» cirenlation, and craructerized by a flow of wit and freshness of satire in iti the prominent follies «the age that is traly —([lesrrel News,.Sulk Like Cily. Thu Go.ves biais a dine Ranily aul ittevary paper, as the bread Uiharuny whore can boast of—[Denver Rocky Monotiin New 5 Tar Gnioex La is tbe hest fonily jaurnal in the Ouited States.—[satt Lake City Telegraph. Tae Govoex Bra is a highly haudsome quarto of fifty-six eolumns, comprising the lreshest ud the richest erenin of American belles lettres. Nothing wath or saith, or east ar west, ext ormmpared toit as an olegent fimily and literary newspyper—[Union Vedeite, Salt Lake City. Tae Goppsx Era, instvad of ccouomizing during these dull times and presenting a paper te match tle limes, is as brilliaut xs ever. It has a talented corps of liternteure, aud keops tally up to Use murk.—fS. F, Dramatic Chron. Tne Go.pEN Era is now in its fourteenth year of pndheation, and is estuhlished un a firm basis. It has a larger gumber-of rognuhir contributors, and gives a greater variety of renaing matter Mian any other paper of the kind published in San Frauciseo.—[{Quinacy Uuieu,. Tur Gotpby ERA has commenced its fourteenth year with o sheady Imprayemeutin literary and typographical appearauce.—. Yreka Jourual. Tus Gotpex Era began in the infaucy of the Stute, and bas grown with it, until thore is now barilly a post ofitce in the Stane, or «a this ooust, where it is uot taken, 1t employsthe best writocs in the Atlantic States, iu Europe, and iu California.—[Colusa Sun. Toe Gotnrx Era is now enlarged by the addition of cight columus to ils poges—und preseuts lifly-six coluinns, coutaining the grealesi possible variety of Valnahle and Mualer. taining, Orizinal an] Selected ter, all combining to render ‘fue Gotnps Bes a Literary and Kanily Journal of surpassing interest and attractivn; a Welcome Gnest iu Cottago and Gubin« the favorite at the Greside In City aud Country, tho most useful, ngreesble altogether desirable publication for Calilornia readors, and their kindred and fricuds In tho Atlautle States, Europe, and elsewhere, Every Houschold in the Mouutulns and Valleys, the Cities, Towns, ond Mining Cainps of California and throughout the Pucifio Status aud Terrltoriea, should receive and welcome TNE GotpEN Ex4 asa tugulur weekly visitor. Serin] Romances in The Golden Era, The most popular Novels of the present day published as Scrinls, from week to weck,iu the GorpEN Era, from advanco sheets, simultaneously wlth their appearnnce In tho Engilsh ond Atlantic Perlodleats, Atmoug tho contributors to 1he Gotpes Era are all tho prominent writers of Literary Repute lu Colifornia and on the Pacific Coast, also correspondents and contributors of distinguished ability In the Allautic States ond Europe, cumjrising an array of Tulent and Goulus unspprenched by any Lilerary Jouranol in Calilornia, the Atlantio States, or Europe, “THOUGHTS AND THINGS” APPEAR WEEKLY IN THE GOLOEN ERA, Read “ Thoughts and Things” lu the Gotnen Era. . © Professor Clearquill.’’ in the Golden Era, “ Dogberry,® In the Golden Era. *€ Alice Muson,’? In the Golden Ern, .“ Hogh Humphrey," In the Goldeu Era, © Bill Dadd, in the Gelden Era, SUBSCRIBE FOR THE GOLDEN ERA, Ono Year,.....+.-$5 00 Six Months....$2 50 To Mail Subseribers. Tae Gorpen Era tor One Year. Tok Gorpen Exa for Six Mouths.. Tae GounENn Era for Three Mouths $1 26 Sent Irom the Office 1o any Address In California and Oregon—Nevada, Washington, Idaho, Utnh, Montana, and Colorado Territorles—the Atlantic States, Europe, and nll parts of tho World. 8 ag Take caro to writo distinctly tho onme of the person, the namo of the city, town or locality whore the post office Is situated, nnd the name of the Couuty and State, in order thot the paper may bo fully aud accurately directed to every address, ‘ * AGENTS in every part of the Stato receivo subscriptions for the GutpEN Era. POSTMASTERS in Californla, Oregon, and neighboring Territories, obtaining subscriptions for the Gounen ERA and forwarding the same, with namo and nddrese of the sihacriber, will be allowed a very liberal commission therefor. Liberal Terms to Clabs, Three coples, ono year,, Five copies, ou year., Ten copies, oue year,, soos B85 00 Now is the Tiine to Subscribe. TO ADVERTISERS. Bost Advertisiug Medinum.—The Golden Era is the aldest Weekly Journal in California, und indisputably enjoys by far the largest circulation in the city of Sau Francisco nnd In the interior of thé State. THE GOLDEN ERA Is universally read in overy city, town, village and mining and agricultural precinet in Califeruia, and. offers unusual and unequalled advantages to those who desire to bring their business promineutly before the ccamuulty. Ouly a Ilmited space is devoted toadvertlsing. All advertismg pages aro also largely occtpied with freah nnd iuveresting reading matter, and no advertisement can escape attention, The charges for advertising ore not so large, proportioned to the benefits derived, as those of other papers. Liberal terms will bo made with those who advertise for threo or six months, or by the year, oe BROOKS & LAWRENCE, Gotnex fra Buiwoixe, No, 643 Clny stree 1, near Montgomery, San Fraucisco City College Laboratories, Southeast Cov. Stockton and Geary ats. Practical and Analytical Chemistry and Metallurgy. THOMAS PRICE, Professor of Chemistry, (Formerly of the Normal College, Swansea.) WILL GIVE PRACTICAL INSTRUCTIONS IN QUALItative and Quantit ¢ Aualysis nnd Assaylig. The course qnalities students ror thu Here of Gheinistr yr to METALLURGY, MANUPAUTURING ARTS, and MENING PURPOSES PHARMACEUTICAL oid TECHNICAL CHEMISTRY, such as Is required by Medical and Vhurmaceurical Studeuts, will be taught tosuch students ag may require it. Course of General Chemistry, Tvening Lectnres will be delivered avery Tnesday. at half-past seven o'clock, P. M. In lie Philosophical And) of the College, without extra charge to the students in the Institution, A On and after the 14th of Fabrnary, the Laboratories will be open every day. except Sundays, from $A, M, to 5 P. M. For further particulars, address REV. P. V. VEEDER, Principal of the City College. Gsdctt Or at 406 California Sirect. OUR NEW YORK AGENCY. Mr, Gro. M Newrow Is our authorized agent in New York Clty, and will receive adverlisements and subscriptions tor the Mixinc ann Scizatiric Pruss at regninr rites. Sample copies of our weekly and monthly Issnes enn be procured Dy i lin, at tle office of Ihe ** SruckfotpER,* ea No, 42 Williom street. Mr, I. Binds, authorized to selicit subseriptions, adve lug, ele., War fie Misiwe anp Sciuntirig Perss, in San fruuclsco, und tu receipt tor the same.