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Collection: Books and Periodicals > Mining & Scientific Press

Volume 14 (1867) (436 pages)

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Terma; One Vear, $5; Six Months, &:3, Single Coptca, Fifteen Cents, EY Yournal ot Asetul Arts, Srience, and Wining and Hlechanical Lrogress. DEWEY & CO., PUBLISHERS And Patent Solicitocs, SAN FRANCISCO, SATURDAY, JANUARY 12, 1867. oer XIV. Number &. TABLE OF CONTENTS, Mines af Central Nevada. Ainericau SU Worm. @lleago Lake Tunnel. Clty AMuscinents, Vhatine c's Process of Koastlug . New Patents and Juventions. Mres—Contiued, MECHANICAL —MIRCKLLANY.~— [' Coment tur Kuoms, Vriluemg Greut Rivers: Impravement tn Rethilug. VMurity of Metals; Cold and Geld nm Silver, Hot-Hlast Tron: Harrison Preservation at Wood, HKoller—Experiments with} Metallic Spectacles. Test of Stecl Ralls. Veln Mints. Sore tire NisckuLany — Laborand Capital, Vegetable Soap, Tu Detect Sulphuric Acid in Ireparation of _ Oxygen; Manufacture of Iron” with Anthracite; Ozone, Natlve Vinegar. Lead Asseclated with Gold; Reese River Mines—Condl-} GUsmotle Process for Septlon of. ating Sugar, Copper : ar: Ariziona—Protection Against’ Smoke. Hardness of Silver; Tadians. Metallle Suaps as Coloring California Oxk for Wine . Matters; New Test of Iodine. asks. Minixe Susmary—Embracing The New Letters Patent. late {intelligence Irom the Ensley’s New Patent Gas. Minluy Praspects for 1847. Colllery. xplosluns — The Davy Lamp. Cansulate Requirements. Australlan Gol. Tted Kerosene. Stewarts New Grinder and _ ory, Ainulgamator, Stock Prices—Bid and Asked. Notices to Correspondents, Mining Stock Sales of the Contributed for aor Cabinet. Week, Culifurala Academy of Nat-. San Frunclsco Weekly Stock ural Sclences. . Clreular, various counties and districts In Culltornla, Nevada, Arizona, British Columbla, Colorado, Idaho, Montana, and Oregon, San Franewco Market Rates, Mining Shaicholders’ Dircet[Reported for the Mining and Scientific Press, California Academy of Natural Sciences, ANNUAL MEETING. San Francisco, Jan. 7, 1867. Mr. Stearns in the Chair. Thirty members present. Minutes of previous meeting read and approved. Dr. J. B. Trask was elected a life member, and Dr. C. D. Cleveland and George S. Whitney were elected resident members. Governor R. C. McCormick, of Arizona, and R. C. Jacobs, of Chihuahua, Mexico, were nominated for corresponding members, Messrs. A. T. Mason, A. Sutro, H. C. Bidwell, J. W. Kidwell, and H. P. Carlton were nominated for resident membership. The various officers and curators submitted their reports for the past year. The report of Mr. Hubbard, the Treasurer, showed the receipts for 1866 to have been about $1,000, and the expenditures nearly the same, with outstanding dues to the amount of $200, The Librarian reported many valuable additions to the Library, by foreign exchanges and subscriptions. The Curators of Botany and Paleontology also reported additions to the Academy’s collection in their respective departments. The Publication Committee submitted their report through the Chairman, Prof. Whitney—the publications of the Academy for the past year were double the number of pages printed the previous year (1865). The Academy then proceeded to the election of officers for the ensuing year, and the following gentlemen were elected : Presileni—Professor J. D. Whitney. Vice Presidents— Leander Ransom and Robert E. C. Stearns. Lreasurer—Samuel Hubbard. Recording Secretary—T. C. Bradley. Corresponding Secretary—W. B. Ewer. Librarian—Dy, A. Kellogg. Curators—Ot Mineralogy, W. S. Keyes ; of Botany,. Prof. H. N. Bolander; of Paleontology, W. M. Gabb; of Zoology, Eugene F. Lorquin; of Conchology W. G. W. Hartford ; of Entomology, Dr. H. Bebr. Conunittee on Finance—Prot. J. D. Whitney, Samuel Hubbard, R, E. C. Stearns, William Ashburner. Committee on Proceedings—W. S. Keyes. Prof. H, N. Bolander, P, Bosqui. Dr. Behr exhibited a sample of coloring matter obtained from an insect of the cyclops species—one of the branchiopods—which is found floating in great abundance, like a thick seum, on the surface of alakein Marin county, and probably elsewhere in California. The color is a bright scarlet, insoluble in water, and unaffected by light or warmth, but soluble in aleohol and oil. The doctor thought it might prove valuable as a dye stuff, and said it could be obtained in large quantitics. Adjourned, STEWART'S NEW GRINDER AND AMALGAMATOR. Among tho receut new and promising inventions we have now-to mention Mr. J. H. Stewart’s hinged muller plate grinder and amalgamator, which the inventor informs us is already being adopted into successful use. Our artist has furnisbed the accompanying engraving, which well illustrates the machine in a small compass. Its bottom is perfectly flat. Tig. 1 represents tbe general appearance of the pan. The revolving muller plate, EH, in a five-foot pan, is made only six inches wide and three inches thick, On the under side of the muller plate are twelve grooves, each six inches long, three inches wide and two and a half inches deep. Into cone being thin euables the steam to have a more <lirect effect in heating the pulp,
The inventor, who has bad ten years’ practical experience in quartz operations, says this pan will reduce ores cheaper and quicker . than any other made. He claims the following among other advantages : “Ist. The muller plate being made small reduces the amount of power consumed in throwing the pulp, at least one-half. “2d. The pulp has a much better opportunity to circulate and come fairly under the shoes, ou account of the limited surface presented by the muller. : «3d. The shoes being attached by an adjustable hinge joint, midway of the shoes, the bottom wears down even with the dies also. This isan important accomplishment, attained in theory only by other pans, while . this one does itin practice.” these grooves are placed the hinges repre. sented on the ceuter of the grinding shoe, . These pans are manufactured at the Miners’ Foundry, First street, where Mr. Stew8TEWART’S NEW GRINDER AND AMALGAMATOR. F, in Figs. iand2. The groove being concave, and the hinge of the shoe convex, it is allowed to swing up and down, while it is rigidly held from swerving to the right or left. A small key, a, holds the shoe in place when the muller is raised. The shoes, F, are twelve in number, and are made fifteen and three-fourths inches in length by about twelve inches wido aud two anda half inches thick at the outer edge, and one and a half inches thick at the heel or inner edge. The muller revolves from right to left, as you face tho engraving. The upper part of the shoes project forward, so as to force the pulp down between the shoes and the dics, The flanges, D, are for the purpose of directing the pulp to the center. The lever, H, is used for the convenience of lifting the muller expeditiously from the dies whenever desizable. The cone in the center is proportionally large, being two feet in diameter and eighteenincheshigh. This gives the space within the inner line of the grinding surface alarger radius than in most pans, obviating the cleaning up of a large portion of grinding surface, which, from its limited circle, is generally the least effective. The steam chest underneath the pan reaches from about the center of the shoes to the cone, whicb latter forms a part of the chest, The art will take pleasure in showing miners and parties interested in machinery the chief principles of his invention, and furnishing further information. Exrrctse.—Nothing is more invigorating to the constitution than judicious exercise of the muscles. The great cause of general debility, so prevalent among residents of crowded cities, is mainly due to a lack of proper exercise. The introduction of street cars has, doubtless, greatly added to complaints from this source, as thousands who were formerly in the habit of walking to and from their places of business, are now tempted, by cheap fare and convenient carriages, to ride; thereby neglecting one of the greatest promoters of health, in their accustomed walks. No person can enjoy health without exercise of some kind. Sedentary people who will ride, should accustom themselves to regular gymnastic exercise of some kind or otber. All such in this city would do well to patronize the San Francisco Olympie Club, Ausrnanian Goup—Grerar Increase or Yreiv.—The reecipts of gold from Australia appear to bo seusibly reviving. The reeeipts for September last wero $3,433,885, against $1,192,780, for the corresponding period of the previous year, For the nine months cnding with September 30th last, the value of the gold imported from Australia was $23,196,855, as compared with $10,776,160 in 1865, and $12,108,310 in 1864. In this connection it may not be without interest to recapitulate the Anstralian yield of gold for the past eight $33.523, 768 29,976 840 1. 33.595 000 1184 137284855 31,656,125 . 1865, . J] 25,255.85) From present appearances, the total yield of 1866 will considerably exceed $30,000,000 ; perhaps reach the yield of 1862—$33,523,765. This large and unexpected increase for 1865 and 1866 is most remarkable in its occurrence, as well as important in its comj mercial import. We are not advised how or where this extraordinary increase is derived. THe despondengy which pervaded the public mind of Australia in 1864 is now happily removed, and the United Australian Colonies bid fair to again prove formidable rivals to California and its neighboring States and Territories in the yield of the precious metals. Cazrrornra Oaxs For Wine Casks.—Dr. G. B. Crane of St. Helena, Napa county, has made a nine thousand gallon cask from native oak grown on his place. ‘We can assert on his authority, that as good oak for wine cask staves can be found in Napa Valley, as can be imported. Dr. Crane commenced his vineyard in 1859, and has made thirteen thousand gallons of wine this year. A writer in the Jimes advises the concerted action of the public press in familiarizing the people of Nevada State with the necessity of changing their name to ‘ Washoe.” “To leave it to the Legislature,” he says, “-svithout snch preparation, is to allow it to go by default.” The name is not only a misnomer, the State not being particularly “snowy,” but it leads to constant confusiou in connection with the California county and city so named, Rep Kerosenr.—An article called “‘red kerosene”’ is being introduced into the Hastern market, under the specious pretence of its being an inexplosive product from petroleum. Itis useless to say that it is merely a “dodge” of some oil speculator, by which to palm off a very inferior articlo at a higher price than a really better article of ordinary keroseue. The “‘red kerosene” is merely the ordinary article colored, for the purpose of carrying out the deception. Drivipenps.—The following monthly dividends have been declared: Crown Point, $100 per foot; Hale & Norcross, $150 per Tes Paris Exposrtion Coamuorres.—A. share or $100 per foot; Empire Mill and meeting of the California, Committee in the . Mining Company, $10 per share or $160 per Paris Exposition, will be held at their usual . foot; and Imperial Silver Mining Company, place of meeting 418 California street, at 3} $8 per share. Crown Point carries overa o’clock Pp, a. to-day. ‘ balance of $36,000 to next month.