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Collection: Books and Periodicals > Mining & Scientific Press

Volume 12 (1866) (428 pages)

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The Mining and Scientific Press, Experiments fo for Children, Place a conimon iron Japaued tea-tray on a ary, clean drinking-glass, or on two or more of them ; then take a ‘sheet of paper aud bold it to the fire until it becomes tborougbly dried bnt not scorebed. (Recollect that paper is alWays more or less moist from contact witb the atmospbere; hence the uecessity fur drying). Now lay tbe paper on the table, and take a Piece of Indin rabber and pass it lightly across tbe same from left to right, as if you were rubhiug out pencil marks. Let it be drawn ecross about a dozen times, beginning at the top of tbe sbeet und making each stroke alittle lower down, until you hare passed the rahber once or twice over the entire surface. Now take up the paper by two corners, nud hring it over tbe tray, and on dropping it you will see it fall almost like a sheet of iron. Supposing you linve cone everytbing right up to this point; if you now place the eud of one of your fingers near the under surface of the tray, you will feel n sensible electric shuck. Now pluce a needle on the tray, pith its point projecting outwards, remove the pnper, aud a Star sign of negative elicitricity will be seen, if tbe room is dark enongh ; retarn tbe paper and the positive drzh sign will appear. This arrangement will form, in fact, a very goud electraphorus—an justrumeut for exciting elec. tricity. tis sometimes sufficiently powerful to give a spark an in h long, strong enough to set fire to light combustible bodies, aud may he made to exhibit, on a small scale, most of tbe ordinary electrical phenomena, not requiring coated surfaces. wa yery interesting class of experimeuts muy he made wita it in the following manner: Take four or six tnmblers, place them hottom upwards on tbe floor, lay a hook upon them ; then let a person stand upon the hook, and he will be in what is called an tnszlated position —tbat is he will be so conditioned that the electricity which may be conveyed iuto his body will nut readily passoff. Wben standing in tbe position described, if be takes the tray, charged as we hare also deseribed. froin és insulated position on the glasses, the paper will still adbere to it although he may hold it vertically, or banging by his side; nod while so holding it, sparks ‘of electricity may be drawn from any part of his person by placing the end of your finger near bim ; or he may draw sparks Irom otber persons as the case may be. Under peenliarly favorable circumstances he may light the gas hy holding his finger to the buroer as you “sould a mntei} He may eveu light it dy holding a piece of ice to it/ These experiments are easily performed, perfectly sale, amusing and instructive, especially when the pareuts or teachers assist in them and explain their natnre more fully than we have done. How to Burs Irox.—Take a file and rasp off balf an ounce of iron; then put ont your gas lights, if you hnve tbem. and ligbt a solitary candle. Take up a pincb of the filings and hold them just ahove the flame of the candle and gradnally drop tbem. Yon will find that they take fire immediately on coming in contact with the blaze, ond burn oiost bril liantty; each particle buruiog like a star, and the whole preseuting a very pretty example of niuiature breworks. ‘he principle is just the same as that upon which the finer you split up your wood the uivure readily it will buru. You cau burn up tbe entire poker iu a short time, il you will ouly reduce it to filings. Size of THR West.—The * La Crosse Demoerat” says: Illiuois would make forty such States as Rhode Islaud, and Minnesota sixty. Missouri is larger tban all New Engl nd. Obio exceeds either Ireland or Scotland, or Portagal, and equals Belgium, Scotland and SwitzerTand. Missouri is more than half as large as ltaly, and larger thau Denmark, Holland, Belgium aud Switzerlind. Missouri and Illi. Dois are Jurger than England, Soctland, Ireland and Wales. Tar First KNowy Save or Lann. of which we have any record, is tbus recorded iu the Bible :—~ Ephrou, the sou of Zobar, nade sure nato Abraliam, fora possession, his field which was iu Machpelah, which was before Mamre, the field and cave which was thereiu, aud all the trees that were in the field, that were in all the borders round about.” Onr yonng readers may find ita useful exercise to hunt up the hook, chapter aud verse where it occurs. Italiau inveutor named Casolari has Pais produced n mechaaical press, hy which. itis said.a speech may be printed while it is being delivered. and be all ready for publication at tbe time the speaker leaves the platform. A public trial of it recently touk place at Modeuz, when bve stauzas of Duute’s ereat poem, together with a learued commentary on the same. were read and printed trou the reuding in lines containing eacb thirty letters, in the spuce of nine seconds. Ir takes hut a moment to clond a lovely morning. und a slight misdeeé may mar the happiuess of a lifetine. PROSPECTUS OF THE California Youths’ Companion, PUBLISHED EVERY FRIDAY, BY DEWEY « cCo., Of the Mining and Scientific Press, Patent Agents, Book and Job Printing Office, 505 Clay Street, corner of Sansome, San Francisco. SUBSCRIPTION PRICE : For One Year, $2.50; One Quarter (12 weeks), 75 Cents. Liberal discunnts will be made to Clubs in the Interior, and to Classes in this city. In the management of the Coxreanton, we shall endeavor to express ourselves pleasantly, in simple language, and in a manner perfectly comprehensive to children. We shall aim to catourage them to become good, wise, and happy. We shall give, from time to time, illustrations, calculated to attract their attention, and to impress npon their minds ideas not otherwise easily understood—in short we shall use the engraver’s beantifal art to light np the pathway of progress for children.” Stories, when published, will be short, calculated to instruct as well as amuse; and we shall endeavor to make it a point that such contrihutiors and selections shall always be of a high moral character. Humorons sketches and amnsing incidents will occasionaly find an appropriate place to spice our columns. ’ We shall hare an especial care to exclnde all anchaste or improper paragraphs and expressions, admitting nothing into the colnmns bnt snch as shall have a tendency to improve and eunoble the youthfnl mind. We shail endeavor to so hlend rational amnsement with instrnction, as to render nll our efforts in that directiou, pleasing and desirable, rather than dnl and nninteresting. ‘We have in course of preparation a set of skeleton engravings—some two hundred in number— 'shich we propose to make a featnre in the paper orthe present year. These engravings are designed to illustrate a healthful class of exercises. Friends pleased with our efforts to provide for the school children of California a first-class yonths’ ptper, are earnestly requested to assist ns in the undertaking, hy aiding in its cirenlation, and calling the attention of their neighbors to the commendSneh favors will be Send for specimen numbers, which will he fnrnished free. DEWEY & CO., Publishers. San Francisco, Feb. 23d, 1866. able features of our paper. most fully appreciated by the pnblishers. ReEseEct oLpD Ace.—Bow low the head. my young frieud. Do reverence to the old man. He was ouce young and fuir like yon; hot the vicissitudes of life hare silvered tbe hair, and changed the round, merry face to the worn visuge before you. Once that heart beat with incidents co-equal to any you have ever felt; but his nspirations have ‘been crushed by disappoiutment, as yours may possibly be. Quce that form moved proudly through tbe gay scenes of life; now the hand of Tie that Withers tbe flowers of yesterday has warped . the figure and destroyed the noble carriage. Once, at your age. he possessed the thouchts that pass through 9 your brain; now wishing to accomplish deeds worthy of a nook in fame ; : anon imagiuing life a dream, that the sooner awoke lrum the better. ‘Tbe time to awake is very near at hand. yet his eye kindles at noble deeds of daring. and the hand makes a firmer erasp of the staff. Bow low the head, my yonng friend, as you, in your old age, would be reverenced. Ran not after blessings; only walk in the commandments of God, aud blessiugs shall roa alter you, pursne and overtake you. Worta Remensertne.—The whole-nse of a hat is prohably not generally known—it is ol’ more use than covering tbe head. If, whena person fell overboard, he hnd the presence of mind to instantly take off his hat, and hold the hrim of it to his chin, so tbnt tbe hollow would be npward, it wonld keep him ahove the water us long as he could hold it in that position. This has heen tried, aud actually fonud correct. Anger may glance into the breast of a wise man. hut it rests ouly in the bosom of fools. City College Laboratories, Southeast Cor. Stockton and Geary sta. Practical and Analytical Chemistry and Metallurgy. THOMAS PRICE, Professor of Chemistry, (Formerly of the Normal College, Swansea,) LL GIVE PRACTICAL INSTRUCTIONS IN QUALItative and Qoantitative Analisis and Assaying The eourse qualifies students for the apnlcanon, ot Chemisiry to METALLURGY, MANUFACTURING ARP, and MINING PURPOSES PHARMACEUTICAL and TECH ICAL CHEMISTRY, such as is required by Medical aud Pharmaccatical Studepts, be taught to such students as may requircit, Conrse of Gencrn! Chemistry.
Fyening Lectures will he delivered every Tuesday. at half-past seven o'clock, P. M. inthe Philosophieai Hall ot the College, without extra charge to the siudcnts in the Institution. Ou and after the 14th of February, the Lahoratiries yay he open evety das. except Sungase) from$ a. M.to5 P.M For further particulars, addr REV. P. ¥. VEEDER, Principal of the City Conese. Gye Or at 406 California Strect. SANTA CLARA COLLEGE,S. J., SANTA CLARA, CAL. Conducted by the Fathers of the Soclety of Jesus, The FIFTEENTH ANNUAL SESSION of this College will commence on Mronday, August 28th, 1865. TERMS—Tuiltion m the Classical and Scicntlfic Pate ment; Boarding and Lodging; Washing and \ tend. ing of articles washed; School Stationery; Medical Aticndance and Medicine, f ligh ths, et per scssion of ten months. For further Information anh gatalonnes apply to the President of the College, or_to A Maraschi, St. Iguaony i polled Market strect, San aac: REY. A. MASNATA, S. J., President. SACRAMENTO SEDEVARY. BOABDING SCHOOL FOR YOUNG LADIES, Tenth Street, between F and G. Session commenccd Jannary 8, 1866. MR. AND MES. HERMON PERRY, Felze Prinelpals, Benicia College. AE TWENTY-SECON O SESSION HAS JUST OPENED. Pupils reccived at apy time. The In-troctiou is divuied lnto three tary course; the Enslish, or Scieutific dinary College Course. Pupils generally, and especially those in the Preparatory Departments, board ae the Institauen, under the dircct chorse of the T for Tarther fitoea ven) send tor Circular. v1 2-3m C.d. FLATT, Privelpal. parts—The ElemcnCourse; and the orANNUAL REPORT —OF THE~ Pacific Insurance Company. SN COMPLIANCE WITH THE ACT OF THE LEGISLAfare of the State or Caliiormia, entitled “An Act culcerniug Vorporations,” ‘ passed April 2. lod, the Pacific io surance CuMnany ot Sau Francisco Ynukes the following Auowal Report: —The amount of ae Biche Sars ee this Sap ve sEvES HUNDRED ae paid in (GOLD a 1L—The amount_of the Assets a RTA COS nat FIVTY-UNE THOUSAND, FOUR HON AND TWEN.TY DULLARS ANO THIRTY-SEVEN CENTS. 31,051,420.37 IIL-—The Company has NO DEBTS 1¥.—The amount ot insurance cheng panel & the year, ae which remained in force Deceinher 3 ire. 1SbS7 Y¥.—This Com: uz: BUILOINGS, HOUSEHOLD ge CHANDISE. RENTS, LEASEHOLDS, © ESSELS 1N PORT AND TGELR CARGO and a PERSUNAL PROPa AOAINST toss, OR DAMAGE BY FIRE. s0.on CARGOES, TREASCRES COMMISSIONS, PROFirs and WAS RISKS, and ON “SEL MARINE AND INote hee RISES, TO AND FROM ALL PORTS YL—This Cainpany wil take on any FIRST-CLASS RISK not to exceed S75.0H (the limit fixed by law), and an all lafcc risks Will reinsure to an extent sae With PRUDESCE in other BES eS CONFAN] HUN ARS eS iene LsTON, Sceretary. any Insnres ee the Gees risks, MERSan Francisco, January 19 is Wilham Alvora, Ss. ME Wilsou. G W. Bell, Alex. Weill, x. Uheeseman, Chas. Mayne, Abin. Seligman, Wm Hoeoncr, Lloyd Tevis, Anson G. Sules, Johu B. Newton, T.L. Barker, Johu G. Bray, Beye rdMarun, las. De Fremery. aA. Hayward, . Mills, Wm. sherman, We. icy ra Ho aetiaon, John O. Earl, C. Mexer. Alired Borel, L. B. Benchley, : . J. Oliver, s Heller,” G T. Lawton, Aipheus Bull, am Scholle, E. L. Goldstein, W. C. Ralston, Louis McLane, Moses Ellis. ee Wightmim, Quiver. Eldridg soy L. Sachs, A. B. Forbes, Prodcnen Bilings, J. G. Kelle? Statc of Califorma, C.ty and County of San Francisco, ss, Ou this uimetccnth day of January, A D. one thousund eight bnudred aud 23 5 persenally appeared before P L. Weaver, David Stern. me, HS. Houlans, a ty Public, in and fur the sald City and ROUD aud th: 1 Tesiding. duly commissconed and sworn, . . Ralstau, who, being duly aworn, cid depose and say thathe is the Seeretary ot the Paciii¢ Insurauce Compauy, and thatthe stalemebts contained in the roregoing Repart ot the Pacific Insurauee Company are true, j tall aud correct. . RALSTON. Sworn and sahseribed to ao me, this 191b day of Jan5. HOMANS, Notary Public. uury, A. D. 1800. dvi2-3m 1852 186 ANEW VOLUME. Fourtcenth Year of Pubiication, THE GOLDEN ERA. Founded in 1852. The oldest Weekly Paper in the State, permanently estahlisbed,and more widely circulated at home and ahroad than apy other on the Pacific Coast, In California, the Atlantic States, and throughout the entire ficid of its great aod ranidly iucreasing circulation, Tne Gowen Era is antversally regarded asa Literary and Family Journal of unequalled excetlence. Atoong its contrihutors are all the best writers on this side of the Continent, and correspondents and contrihators of distinguished ahility in New York, Paris and London. Miss BRADDON’S Greatest Sensation Story published from Advance Sheets: RUPERT GODWIN; = Secret of Wiimindon A NOVEL, By Miss M. E. Braddon, Author of “Lady Audley’s Secret,’ “Tbe Outcasts,’” “ The Doctor’s Wife,” ‘Three Times Dead,” etec., The Hull. —1;—_. THE GOLDEN NOW IS THE TIME TO SUBSCRIBE! ERA. Tse Goupen Era is now enlarged hy the addition of ctght columns to its pages—and prescnts fifiy-six columas, contalning the greatest possible variety of Valuahle and Entertaining, Original and Selected Matter, all combining to render Tax Gotnsn Era a Literary and Family Jonrnal of surpassing interest and attraction; a Welcome Guest in Cotlage and Cahiuthe favorite at the fireside in City and Country, the most useful, agreeable altogether desirablo publication for California readers and their kindred and friends iu the Atlantic States, Europe, aud elsewhere, Every Honsebold in the Mountains and Valleys, tbe Cities, Towns, and Mining Camps of California and throughout the Pacific States aud Territories, should receive and welcome THe GotpEN Ena as a regular weekly visitor. Serial Romancea in The Golden Era. The most popular Novels of the present day published ns Serials, from week to weck, in the GotpeN Era, from advance sheets, simultaneously with their appearance in the English and Atlantic Periodicals. Among the contributors to the Goupen Era are all the prominent writers of Literary Repute in California and on the Pacific Coast, also correspondents and contributors of distinguished ahility in the Atlantic States and Europe, comprising an array of Talent and Genius unapproached by any Literary Journal in Calilornla, the Atlantic Stalcs, or Europe, “THOUGHTS AND THINGS* APPFAR WEEKLY IN THE GOLDEN ERA. Read * Thoughts and Things” in the Go1pry Era. « Professor Clearquill.”’ in the Golden Era, *« Dogberry,,”’ In the Goldeu Era. ** Alice Mason,” io the Golden Era, « Hugh Humphrey,” in the Goldeu Era. “ Bill Dadd,” in the Golden Era. SUBSCRIBE FOR THE GOLDEN ERA, onast $5 00 Six Months....$2 50 To Mail Subscribers. : Tr GotpEN Era ror One Year... Tue Gouves Era for Six Months. ++-82 50 Tue Goines Era for Three Montbs.. soodl 35 Sent trom the Office to any Addrees in California and Oregon—Nevada, Wasbinglon, Idaho, Utah, Montana, and Colorado Territories—the Atlantic States, Europe, and all parts of the Work. Take care to write distinctly the name of the person, the name of tbe city, town or locality where the post office is situated, and the name of the County and State, in order that the paper may he fully aud accurately directed to every address, AGENTS in every part of the State receive snhscriptions for the GoLnes Era. POSTMASTERS in Californla, Oregon, nnd neighhorlng Territories, obtaining suhscriptions for the Gorpgy Exs and forwarding the same, with pamo and address of the suhseriber, will be allowed a very liberal commission therefor. Ono Year....6 +5 00 Liberai Terms to Cluba. Three copies, one year. Five copies. one year.. Ten copies,one year... Now is the Time to Subscribe. TO ADVERTISERS. Best Advertising Mcdium.—The Golden Era \s the oldest Weekly Journal iu California, and indisputably enjoys by far the largést circulatiou in the city of San Francisco and in the interior of the State. THE GOLDEN ERA Is universally read in every cily, town, village and mining aud agricultural precinct ip California, and offers unusual and unequalled advantages to those who desire to bring their business prominently before tbe community. Only a limited space is devoted to advertising. All advertising payes arc also largely occupied with fresh and interesting Teadivg maitcr, and u0 advertisement can escape attention. The charges for advertising are no! So large, proportioned to the benefits derived, as thoso of other papers. Liberal terms will he made with those who advertise for three or six months, or by the year, BROOKES & LAWRE NCE, Goupren Era Britmxe, No, 545 Clay street, near Monizomery, Sup Prat cisco