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Collection: Books and Periodicals > Mining & Scientific Press

Volume 12 (1866) (428 pages)

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56 Ghee Mining and Seentitic Press, Mining wud Scientific Press, NUR ei WER, veces n css eeeeeceeecvscnss sees Sentor Eprtor. 0. W. M. SMITH. W. B. EWER. A. T. DEWEY. DEWEY & CO., Publishers. ae Orrice—No. 505 Clay street, corner of Sausome, 2d floor. Terms of Subscriptions Qne copy, per annum, Inadvance,. One cupy, six months, in advance, Fe an i@For sale by Carriers and Newsdealers. 60 ¥t is Impossible for editors to know Aut the merits and demerits of their correspondence, consequently the reader must not receive the opinions of our contributors as ourown. Intelligent discussion is invited upon all sides and the evidence of any error which may appear will be ro eclvyed in friendship and treated with respect. American nnd Foreign Patents.—Letters Patent for Inventors can be secured in the United States and forcign countrics through the Minixa awp Scisxtiric Press Parent AcmNey. We offer applicants reasonable terms, aud they can rest assured of a strict conipliauce wlth our obligatious, and alaithful Reneruance of allcontracts. For reference, we will furnish the namcs of numcrous parties for whom we have obtaincd patents during the past two ycars. Favorable to Inventors.—Persons holding new Inyeitlons of machinery and important improvements, ean have the same illustrated and explained in the Minine ano Scientiric Press, free of charge, if in our judgment the discovery is one of real merit, and of sufficient interest to ~ our readers to warrant publication. Payment in Advance.---This paper will not be sent tosubseribers beyond the term paid for, The publishers well know that a good joyrnal eanuot be sustained on tho ereditsystem. Mr. Wm, i. Bradshaw, is our Special Correspondent and TravelingAgent. All favors or assistanee rendered jim in hls progress through the country in bebalf of our journal, will be duly acknowledged. San Francrsco, Jan Ist, 1966. Mir. A. C. Knox, is our fully authorized Traveling, Agent, and all subserlptions, or other favors extended to hiw, will be duly acknowledged at thls offiec. San Francisco, Jan 11tb, 1866. San Francisco: Saturday Morning, Jan.27, 1866. A MINING AND AGRICULTURAL COLLEGE. Among the most important acta of the late Miners’ Conveation at Sacramento, was the good degree of uaanimity displayed in favor of the establishment of an Institute in this State having for its object the teaching of the sciences bearing upon the two great leading pureuits of miaing and agriculture. In furtherance of this project, a scries of resolutions were adopted recommending that the Legislature proceed at once to the establishment of a “Mining, Agricultural and Mechanical College.” ‘he alacrity aad unaaimity with which the agriculturists have come forward, and united with the mining interest ia the furthcrance of this movement, even to the sacrifice of what may be cousidered their own more especial claims npon certain grants and funds, available for anch porposes, cannot fail to elicit from our mining friends a high appreciation of the generosity displayed in thatact. It isto he hoped that the movement so nobly inaugurated, may lead to a still closer union of the two iaterests, each of which in this State is eo peculiarly dependent npon the other. At some future time we propose to discuss the bencfit which the agriculturist must derive from snch an institution. It is our present purpose, however, to speak more particularly to our miaing readers. The iniportance of the establishment of schools on tbe Pacific Coast for instructioa in mining is now pretty generally admitted, so much so that itis scarcely necessary that we should stop, at this time, to discuss that portion of the subject at all; and we shali chiefly confiae our reaiarks in the preseat and perhaps one or two future numbers, to the character of the instruction which should be rendered. In conversation with centlemen who have had mucb experieuce in European miues and miniag schools, previous to coming to California, we have been told that cven the most expericuced and skillful miners from that coatiaent need a local education here—they fiad it necessary to introduce certuin moditicatious into their European practice and education, which are iadispensable to the altered condition of things here from what they have beea accustomed to encounter there. Gentlemen who are sending their sons to Paris, Freiburg, etc., to obtaiu a knowledge of mining engineering and metallurgy, will fiad on their return that onr varied resourecs, increased cost of labor and material, peculiar character of machinery and different hahits of thought, will render nugatory to a great extent, the application here of the practical portion of their Enropean education. ‘The theory, of course, is the same everywhere. The character of the macbinery employed here is most essentially different from that employed there —and in almost every particnlar is greatly improved. Our stamping mills, for instance, are a long way in advance of the same class of machinery there. Any person who is acquainted with the stamps ia use in both localities, must admit tbis fact. The revolving stamp, unless quite recently introduced, is unknown there. Almost every particular with regard to the construction of the stamp, mode of discharge, etc., has been improved iu California, until our hatteries are now doing nearly or quite double the duty, per head, of those employed in Kurope. Ls Agaia, our admirable paa system is entirely unknown in Europe, the nearest approach heing the Hungarian howl ; and when we contrast the cnmbrons German steam engine with the light and effective engines used in Califorvia and Nevada, we must set down onr Teutonic friends as full half a century hehind us. Our hoisting machinery, for the depth we have gone,is decidedly superior to the generality of that employed iu Europe. Ounr safety cages are greatly improved over those, elsewhere employed, in lightness, effectivenessand safety. We have heard it stated by competent judges, of foreign birth and education, too, that some of our best hoisting works, such as those employed at the Yellow Jacket, Savage, Gould & Curry, etc., are capable of extracting douhle the amount of ore raised at any niine on the European continent. Tn onr efforts at “progress,” we may at times have overstepped the hounds of economy, and accomplished a large amount of work at considerable unnecessary waste of mineral; but we have gained largely in experience. Tn the metallurgy of silver, though our expertments were at first attended with heavy losses. we have now arrived ata point at which we ean learn hut little from European seliools, that will be applicahle to our local peculiarities and necessities. In the assaying hranch of nictallurgy we are somewhat at fault—in analytical chemistry, in particular, we frecly yield the palm to furopeau Professors ; but as practical assayers we claim a full equality with citber our German or Eng” lish cousins. In relation to uuderground engineering, our miners are not as thorough ag they should he; but this deficiency arise more from our national character of go-ahead-ativeness—our cure for the present only, at the expense of tbe future—than from a Jack of knowledge for thorough work. With respect to subterraneous surveying, the German miner's dial, a sample of which may he seea at Sack’s, 203 Montgomery strect, would indicate that the Frieberg schools have made but little proyress for the last half century at least. The most indifferent of our mountain county surveyors would not use sucb an instrument. As weare writing at this time in favor of an agricultural as well as 9 mining school, it may not be out of place here, to allude to the uniyersally acknowledged fact that our Huropean friends are most sadly behind Americans in the practical departments of agriculture. As a proof of this we ueed only to point to the records of our patent office, aud call attention to the contents of our avricultural warehouses, . filled with mowing and reaping machines, threshers. steam ploughs, ete.,a class of me chanical appliances almost unknown in Europe, where agriculture was carried on for ceaturies before America was discovered; but whose fields, even to this day, are chiefly supplied with American machinery, From the ahove facts may be adduced the Most unanswerahle argumeats in favor of the .
establishment of an American school, where . young American men may be taught the use and employment of American machiuery, and where such ideas may be instilled into the minds of students, as will not have to he zlearned before they can put their theoriee into practice. ‘he students of hoth agriculture and mining will find a larger and hetter field for practical instruction at home, than it will he possible to reach in Hurope. Let us then found, -nourish and build up on our own soil,an Institute for instruction in those sciences, which shall be adapted to our peculiar local needs, and educate our young men at home, instead of spending thoueands of dollars abroad, much of it for that which must he unlearned wheu they get into actual practice. We hnve much: to sny upon this subject, which we ehall endeavor to give, from week to week, so long as the subject of the establishment of a California Mining and Agricultural College shall he under discussion before the Legislature. IMPROVEMENT IN THE PHOTOGRAPHIO From the first introduction of the ‘photographic art tothe present time, it has ever been the constant study of the artist to improve in their efforts to life-like aspect to their pictures of tbe human fyce. Much has already heen accomplished in years past ; hut we have never seen a greater advance in this direction, apparently at one step, than has recently been made hy Messrs. Bradley & Rulofson, as exhibited iu some admirable pictures recently produced by them, and now ov exhibition at their gullery, 429 Montgomery street. All artists have been painfully cognizant of the fact of the difficulty of ohtaining a good picture of persons who are not possessed of fair complexions, or who may possess even the slightest imperfection of countepance. In the ordinary processes all such imperfections ure unavoidably exaggerated. By the peculiar action of the rays of light, even a faithful picture is unattainable, and recourse is had to artificial coloring and re-touching, whicb, in the best hands, is hut 2 bungling imitation of what Messrs. Bradley & Rulofsoa are, hy their improved process, enahled to accomplisb hy the unuided pencil of light. So far may this process he carried, that even nature may he eclipsed, and the wheels of time rolled hack by the steady and guarded action of the raye of a single day’ssun. Under the skillful direction of these gentlemen, the action of the rays of light alone is made to wipe out “spots ” and harsh shadows froa their pictures, to remove the wrinkles of age, aud give fresbness and heavty to the face aad contour, wherever that bas once existed in the original. Mach of this may appear impossible, and would he so tous had we aot eeen tbe evidence, and, to a certaiu extent, learned the proeess by which it is accomplished ; which is nothing more than an ingenious application of some of the simplest principles of optics. Our res.ders are all aware of the syperiority of the stereoscopic picture over the ordinary photograph; we helicve we are giving no clue to their secret when we say tbat every one of Bradley & Rulofson's improved pictures consist of asepurate stereoscopic representation of every mathematical point on tbe eutire surface of the picture, hleuded in one harmonious whole, ia soch a manner as to bring out the object with a heauty of finish, roundness of feature, and life-like expression, totally unattainable by aay other process known. Anatysis or Tux Water or Mono Lare.— On page 210 of volume 10, we gave a fall ‘ ‘ descriptioa of Mouo Lake, with some account of the peculiarities of its waters. bis description was furnished us by Mr. J. R. Murpby, now superintendent of tbe assay office of the National Bank at Anstin, Reese River. Mr. Murphy has recently furnished tbe Reese River Reveille with the following analysis of this water: Quantitative—Chloride of codium, 5.854; chloride of potassium, 1,58L; chloride of calciuin, 2.630;. chloride of magnesium, 8.206 ; sulphide of calcium, traces; sulphate of lime, 0.402 ; sulphate of magnesium, traces ; solid contents, 17.637-—in every 100 parts. Qualitative—(only) for tbe acids present, showing —Hydrosulphuric acid in abundance ; Carhonic acid iu abundance; Bovacic, strong traces ; Phosphoric acid, slight traces; Silicte acid, slight tracee. impart a nore’ . nature of antimony. THE AMERICAN FREEDMAN’S COMMISSION, It is much to be regretted that any portion of the Culifornia press should be found treating with levity the efforts in hehalf of the jgreat national philantrophic movement, now under the direction of the *‘ Anierican Freedman’s Commission.” With the exception of theimmediate necessities of active campaigning, during nur late terrible wor, the world has never presented sucha necessitons field for active and earnest philanthropy as is embraced ia that occupied by this Commission. It is not a work sought out hy officious philanthropists,asa field in which to exhihit their humanitariaa efforts; bat it is a great, home fact, thrust upon the American people hy the “logic of events,” and they will richly earn tbe scorn and contempt of the world if they ignore it. Sympathy for the colored race is not, de Facto, its foundation—the bed-rock upon which action, by those not in sympathy with that race, may reasonably he founded, is tle welfare and protection of the white race at the South. Crushed by the fortunes of war, irritated by a complete revolution in their social condition : peace has nuturally enough found them, as a people, neither able in purse or disposed in temper to control the disorganized social element hy which they are now surrounded. It would he less than human for the people of the North to refuse, in such a crisis, to lend a belping hand in their deep distress; and the man who would turn honest, well-directed effort in sucb hehalf to ridicule, would laugh at the direst calamity which could hefall his neighhor. No work of sucha vast scope can he carried on withont union of effort, and well arranged machinery. To a great exteut the same men are engaged in this work who have acquitted themselves with so mucb eredit and fidelity ia the great Sunitary Comanission, the necessity of which has now passed away. So far as the public are informed, all cngaged in this new work are men of unimpeacbable reputation ; and they should be sustaiaed hy all the aid and encouragement which a generoue and humanity-loving public can bring to hear. In this connection, we would call attention to tbe announcemeat that there will he a meeting of the friends aud membere of the Freednieu’s Aid Commission for this coast at Platt’s Hall, ou January 29th, in the evening of that day, for tbe purpose of publicly inaugurating the officers, and ratifying the measures heretofore taken for the organization of the association here. Honorshle Cornelius Cole, Hon. A. A. Sargent, Rev. Horatio Stehhins, Rev. Jesse Peck, Dr J. ¥. Morse. Gen. John F. Miller, F*. Billings, Esq., and Hon. Thompson Camphell, will address the meetiug. Tue Panawa Mart Steamsair Co.’s steamer Sacramento leaves this city on Tuesday next, to connect at Aspinwall with the Compuny's splendid new steamer Henry Chauncey for New York, Passage rates are as follows: First cabin, outside, and ludies’ saloon rooms, $210 ; first cahin, iaside rooms, $162 25; second cahin, $99 75; stecrage, 372 50. This Company have aow their own boats running through to New York, and passengers’ will hereafter be relieved from the iutolerable impositions so oftea practiced upon the otber side. Estensive Lanp Suine.—The Nevada Gazette is informed that an extensive slide occurred uear the South Yuba, afew nights since. A quantity of carth, about a huadred feet in width and three huadred in length, hecame loosened, and slid from near the top of the bill into the river, carrying down large trees, ete. ‘Ie slide crossed the road in one place, filling it with loose earth, hut fortunately not injuring the grade. Antimony AND Its Orrs.—We have received several inquiries with regard to the In auswer we would say that the present price of antimony in Europe ie about $125 per ton. The demand for it, however, is quite limited, and not sufficieat to justify any advances upon eitber the metal itself or its ores for shipment from this State. It has uo price, in quantity, iu this city.