Volume 20 (1870) (454 pages)

96 SCIENTIFIC PRESS. [Aprit, 80, 18703 Our Arents. Ovum Frrenps can do much in aid of our paper and the esuse of practical knowledge and science, by asaisting \gentainthcir labors of canvassing, hy lending their influence and encouraging favors. We intend to send none hnt worthy men. Truveling Agents, Wa. H. Mounnay, California and Nevada, 8. H. HERRING California, Tuomas Poyzen—California, F, B, AupErson—California, Resideat Agents, CENTERVILLE, Alameda Co., Cal.—L. G@. Yaten, OakLanp—W, H. Hardy. Sackamento—A. S. Hopkins, No. 70J street. Jackson, Amador Co., Cal.—G. §. Andrews, TRKASDKE City, Nev.—Thos. Starz. Canson Crry, Ney.—John G, Fox. TREASURE City, Ney.—J. L. Robertson, Suenmanrown, Ney.—P. C. Rentrow. Sruver Crry, Idaho—J. Caples. HELENA, Montana—E. W. Carpenter, Brace Haws, C. T.—Harper M. Orahood. CentraL Crry, C. T.—Richarda & Crane. GeEoRGETOWN, C. T.—John A. Lafferty, Postmaster, DENVER Crrx, C, T.—Woolworth & Moffat, CHEYENNE, D, T.—Robert Beera. Omana, N. f.—Barkalow & Brothers, PHILADELPHIA, Pa.—Fitler, Quigg & Co. Loxnpon—George Street, 30 Cornhill, E. 0. Hunson & MENeE®, 41 Park Row, New York. A. C. Enox, City Soliciting and Collecting Agent. DEWEY & Go. American and Foreign Dratent Ayenis. Scientific Press Office, 414 Olay Street, SAN FRANCISCO. Patents Obtained Prompily. Caveats Filed Expeditiously. Patent Reissues ‘Taken Out. Patents Secured in Foreign Lands. Assignments Made and Recorded in Legal Form. Copies of Patents and Assignments Procured. Examinations of Patents made here and at Washington. ' Examinations made of Assignments Recorded in Washington. Examinations Ordered and Reported by TrenxGRAPH. Rejected Cases taken up and Ratents Obtained. Interferences Prosecuted. Opinions Rendered regarding the Validity of atents and Assignments. Every Legitimate Branch of Patent Agency Business promptly and thoroughly conducted, InuustRatep CircuLars FREE. DEWEY & CO., Publishers and Patent Agents, No. 414 Clay street below Sansome,San Francisco. WIESTER & CO., PATENT BROKERS, No. 314 Bush Street, San Francisco. PATENTS BOUGHT AND SOLD ON COMMISSION. For the henefit of those who live at a distance from the city, we give helow a hrief description of a few of the valuable Patenta which we have in our office. It may be well to state here that no Patent ia received by us for negotiation until it is first endoraed hy reliable experts, to whom cach is subjected for acceptance or rejection. We treat all patents alike, recommending only where true merit is found in the invention. Odermatt & Ettlin’s Fountain Pen. We call the attention of manu to this new iny for supplying writing and drawing pens with a constant flow of ink. The pen-stalk contains suificient ink to last for two orthree days’ constant use, and is provided with stop-cocks, which make it perfectly safe for carrying in the pocket. The flow of ink is uuder perfect control of the operator, A slight pressure on the thumb and _fore-finger on the elastic sides of the holder ia all that is required to reguiate the flow of ink to suit the writer. It never blota unless forced to doso. The cost to manufacture ia small, and the demand for a good Fountain Pen is very extensive among all classes of literary and businessmen. A aample of this invention can be aeen and tried at our office,314 Bush street, San Francisco. The entire Patent, or the Right for any State, can be hought on reasonahle terms. Full particulars furnished on application, NEW LIGHT ON A NEW PRINCIPLE, Gas for everyhody in the city and in the country. Equal tocoal gaa at one-half the cost. The gas is generated and hurned iu a new style Vapor Lamp. No wick, uo chimney, no explosion; and no man who is out of business and has a few dollars should fail to purchase a County or State Right and commence makiug money. ae owning territory get the Lamps at Manufacturers’ prices. Call and examine the light, or write for pariculars. A NEW PAPER FILE AND MUSIC FOLIO. Two excellent inventions included in one patent. Either can he manufactured at a small cost, and neither has an equal in its line. No more expeuse for bindingmusic, Each sheet haa a complete und durable binding aa s00n 95 it is placed in the folio. The California Legislature has endorsed the Paper File by purchasing three hundred and fifty, to take the place of the old style bindcra. It certainly is the most complete article of the kind ever inveoted. Whoever buys the right to manufacture and sell thia invention will secure a good basis fora profitable business. Only the Territory west of tho Rocky Mountains for sale. Parties in the city should call aud examine the article. Full particulars furnished on application, WIESTER & CO., 314 Bush Street, San Francisco, LOCAL AGENTS WANTED. Once reliable busincss man wanted in each and every town on the Pacific Coast to scll Patent Articles. We dealin none but first-class Patents, and each agent reccives the exclusive right to sellin his town. Address WIESTER & CO., 314 Bush street, San Francisco. Important to Assayers. Crucibles. The Patent Plumbago Crucible Co. Manufacturers of all kinds of Melting Pots, Portable Furnaces, CRUCIBLES, and other fire-standing Goods, Battersea Works, London. THE MORGAN PATENT CRUCIBLES have uniform quality: never crack, withstand the greatest heat without auger; heats more rapidly thanany other; change of temperature has no effect on them; staud on the average forty to fifty pourings, CERTIFICATES: United Stetea Brauch Miut. San Francisco, Cal, March 12, 1869—Messra. A. 8. Hailidig & Co., Agents Morgan Crucihie:—I have carefully tested the Morgan Patent Plumbago Crucibles purchased from you for the U.S. B. Mint, and eheeriully certuty to thcir superiority and economy over all other Crucibles used by and under me. They are fuliy what you represent them, and 1 sha)l continue to use them in preference to any otber. MM. KEE y Meiter and Refiner, U. 3. B. Mint. Eaglo Brass Foundry, 206 Fremont street, San Francisco 12th March, 1869—Messrs. A. S Hallidie & Co., 519 Front street—Gcntlemen:—\We have used and tested the Morgan Patent Plunibago Urucibic, for which you are agents, and pronounce thein superior to and clieaper than any Crucible used by ug heretotore, GREENBERG & MOORE. Messrs. A. S. Hallidie & Co We have thoroughly and severely tested in every way the Morgan Patent Plumbago Crucible obtsined by us from you, and tind them atperior to ay we have yet tried, although we have used every pot obtainable in this market, we have none equal to tbe above, and eoneede your claimsforthem. We tbink they will average 45 pourings of brass. GALLAGHER, WEED & CO,, California Brass Works, 125 Front street, San Franclseo. Assav Office of H. Harris, Silver City, Nevada, April 24, 1869—Messrs A. S Haitdie & Co.—Gents, :—1 received from yau threo Crucibles of the Morgan wake, which 1 have used since their arrival, and tested by coustaut use. Siuce 1847, when in the New Orieans Mint, I have always preferred the Crucibie of Dixor’s make over Adus, Gautier, and Taunton, Mass. Yours I flud to be not alone of more finished make, but to stand double or treble the work of Dixun’s Crucitics, The No, 12—tbe smallest sent—has stood so far 32 meitings, and isas good aud sound as when recelved. Your Crucioies do not scalo off like otbers; and as they are forty per cent. clleaper, 1 Go not see why they should not be preferred by all assayersa on account of durahiliiy aud cheapness. Youra respectfully, HARRIS, On hand and forsale by tbe Agents, A. 8. HALLIDIE & CO., 18y18-9p &19 Front atreet. San Francisco KNOWLES’ PATENT STEAM PUMP. This Pump has received the HIGHEST PREMIUM at every Fair where it has been exhihited. It is of superior make and finish ; has all ground jointr; no packing required. It is positive inits action Itia impossihle to stop lt on centers. 1t will always start without using a starting bar. We have two hundred different styles and sizes adapted for Factories, Steamshipa, Sugar Refineries, Breweries, Distilleriea, Gas Works, Oil Worka, Soap Worka, Paper Milla, Tauneries, Bleachcries, Laundries, Railroad Purposes, Quarries, Petroleum Mines, Drainage, etc. Large Pumps for Water Works. Fire and Wrecking Pumps, Pumps guaranteed for every situation. E. T. STEEN & V. CUSHING, SoLe AGENTS FOR THE PactFio Coast, No. 9 FIRST STREET. SAN FRANCISCO, NEW AND SECOND-HAND ENGINES, BOILERS, and MACHINERY OF ALL KINDS, constantly on hand. One Per Cent. per Month Aliowed on Siz Months' Deposita by the CALIFORNIA BUILDING, LOAN AND SAVINGS BANK, Valifornia street, one doorfrom Sansome. THOMAS MOONEY, President. 6y19-I1m PEN Guns, Pistols, Fishing Tackle PACIFIC Rolling Mill Company, SAN FRANCISCO, CAL, Established for the Manufacture of RAILROAD AND OTHER IRON —ann— Ewery Variety of Shafting, : Embracing ALL SIZES of Steamboat Shafts, Cranks, Piston and Cone 1 Koda, Cur and Locomotive Axles August 2, 1869. BARTON & RUTTER, Importers and Dealers in Sheffield Scientific School Of Wale College, New Haven, Conn, This dopartment of Yale Colloge, instituted in 1840, and endowed with the National Land Grant in 1866, furniahes advauced iustruetion in the various brauebes of Matbematical, Physical, and Natural Science. ‘fhe school ia under the direction of the President of the College, a Board of thirteen Provessorsin differe s}-eclal tles, and slx assistant instructors. Royular courses of study, leading to the degree of Bacbeior of Philusopiy, conferred by Yale College, are arranged as follows: 1—CBREmSray AND MINERALUGY. 2—C1vI1L ENGINEERING. 3—-MxcHANICAL ENGINEERING. 4—MINING ENGINAEHINO AND METALLURGY. 5—AORICULTORK. 6—Nat URaL HisTORY AND UxoLocY, and 7—SzLEOT Covase. Advanced students ura also adinitted to optional courses, andif alrexdy Volicge gradnates, are recolyed as candi ales for the degree ot Doctoi ct Philosophy. Tuition, $125 per year of forty weeks. The Libraries, Museums, Luborstories and Apparatua accesible to students, are varied aud cxteasive. ‘or gopics of the Annual Circular and Report, letters muy be addressed to the “Scorotary of the Shcieid 5 >icntifle Scbool,") New Hayen, Conn, vié-lyl6p aud Frames — aLso— HAMMERED IRON Of every description and s'ze. Gy Orders addressed to PACIFIC ROLLING MILL COMPANY Post Uflice, San Fraucisco, Cal., wlll receive prompt attention. ag@~ The highest priee pald for Scrap Trou THE CALIFORNIA Pocket Cutlery, Etc. SPORTING APPARATUS OF EVERY DESCRIPTION. GOD Clay Sircet, near Montgomery. — @OLE AOENTS FOR — Alexander's Celebrated Pocket Cutlery For the State of Calltornta, INO. C, BARTON. R, A. RUTTER. 9v1l43m9p Silk Manufacturing Company. 16v20-3m16p Incorporated March 4, 1870. PLATINUM JAMES T. DEAN. oe CEE President . Vessels, Apparatus, Sheet, Wire, Etc. Htc., JAMES MILBURN. Secretary . RODGERS, MEYER & C reasurers, Ooinpany’s office, 121 Posx Stresr, San Frencisco, 12v20-3m For all Laboratory and Manufacturing Purposea. 67 Bond street, New York, Platinum Scrap and Ore purchased, 16720-ly16p W. T. GARRATT & CO. Brass and Bell Founder, Corner Mission and Fremont Streets, MANUFAOTURERS OF Brass, Zincand Anti-Friction or Babbet Metal CASTINGS, Church and Steamboat Bells, TAVERN AND HAND BELLS, GONGS, FIRE ENGINES, FORCE AND LIFT PUMPS. Steam, Liquor, Soda, Oil, Water and Flange Cocks, and Valves of all descriptiona, made and repuired. Hose and all other Jointa, Spelter, Solder and Copper Rivets, etc. Gauge Cocks, Cylinder Cocks, Oil Globes, Steam Whistles. HYDRAULIC PIPES AND NOZZLES for mining purposea, Iron Steam Pipe furnished with Fittings, ete, Coupling Joints of all sizes, Particular attention paid to Distillery Work. Manufacturer of *’ Garratt’s Patent Improved Journal Metal,.”’ tar Highest Market Price paid for OLD BELLS, COPPER and BRASS. 6-tf JAMES HILLMAN, W. T, GARRATT, W. T. LITILE, HUNTINGTON, HOPKINS & CO., —IMPORTERS OF — HARDWARE, = BAR AND SHEET IRON, Steel, Coal, Smiths’ and Miners’ Tools, Boiler Tubes, Gaa Pipo and Fittings, Belting, Hose, and RAILWAY SUPPLIES. — ALSO AOENTAa FOR— ORIENTAL POWDER CO., OF BOSTON, SAN FRANCISCO CORDAGE COMPANY 64 K Street, Sacramento. 7v20-ng WIiLco x’?s —2 WATER LIFTER. Requiring no Engine. : Send for circular containiug full explanations, price list, testimonials and referencea, M,. & A. WELCOX, 16v20-3n1-nhxh 74 K street, Sacramento. N W. SPAULDING, Saw Smithing and Repairing ESTABLISHMENT. Nos. 17 and 19 Fremont St.,near Market, MANUFACTORER OF SPAULDING’S Patent Tooth Circular Saws, They have provedto bethe mo«t duruble and economileal Suws in the World. Each Saw is Warranted in every respect. Particular attention paid to construction of Portable & Stationary Saw Mills. MILLS FURNISHED AT SHORT NOTICE, At the lowest Market Prieca. H. ROYER, Manufacturer of LEATHER BELTING AND LACING, Mabe OF FuLLen Rawuink, Factory, South Park Mills, Brannan strect, bet. Third and Fourth, San Francisco. BaPacific Suw Muanufacturlag Co. nre Sole Agents for H. Rover's Lacing Leuthers. ns The Pacific Insurance Company. No. 422 CALIFOENIA STREET, SAN FRANCISCO, CAL, FIRE AND MARINE INSURANCE. Capital Stock. Amount in exce: $1,000,000 00 P pay Losses and Dividends.. .«. 606.854 80 ASSETS IN GOLD. Loans on Real Estate and Collaterals worth $2,420,000. . seseeasees 1,066,996 21 Cash in Banks..+. teeeneeens 132,240 67 United States and other Stocks owned by the Company.ccers sesssecersccccese 210,400 00 Real Estate : Conipany’s property, corner California and Leidesdorff streeta. 146,000 00 Other Asset5..+. SOO ACODODO00 conc 160,217 92 Total Assets in Gold...0 a» +0.-$1,696,854 80 Losses paid promptly in Gold on Adjustment. J. HUNT, President, A.J. RALSTON, Secretary. kG Insurance effected on the moat ressonahle terms. eh Office, 432 Culifornia Street. $v20-qyl6p

96 SCIENTIFIC PRESS. [Aprit, 80, 18703 Our Arents. Ovum Frrenps can do much in aid of our paper and the esuse of practical knowledge and science, by asaisting \gentainthcir labors of canvassing, hy lending their influence and encouraging favors. We intend to send none hnt worthy men. Truveling Agents, Wa. H. Mounnay, California and Nevada, 8. H. HERRING California, Tuomas Poyzen—California, F, B, AupErson—California, Resideat Agents, CENTERVILLE, Alameda Co., Cal.—L. G@. Yaten, OakLanp—W, H. Hardy. Sackamento—A. S. Hopkins, No. 70J street. Jackson, Amador Co., Cal.—G. §. Andrews, TRKASDKE City, Nev.—Thos. Starz. Canson Crry, Ney.—John G, Fox. TREASURE City, Ney.—J. L. Robertson, Suenmanrown, Ney.—P. C. Rentrow. Sruver Crry, Idaho—J. Caples. HELENA, Montana—E. W. Carpenter, Brace Haws, C. T.—Harper M. Orahood. CentraL Crry, C. T.—Richarda & Crane. GeEoRGETOWN, C. T.—John A. Lafferty, Postmaster, DENVER Crrx, C, T.—Woolworth & Moffat, CHEYENNE, D, T.—Robert Beera. Omana, N. f.—Barkalow & Brothers, PHILADELPHIA, Pa.—Fitler, Quigg & Co. Loxnpon—George Street, 30 Cornhill, E. 0. Hunson & MENeE®, 41 Park Row, New York. A. C. Enox, City Soliciting and Collecting Agent. DEWEY & Go. American and Foreign Dratent Ayenis. Scientific Press Office, 414 Olay Street, SAN FRANCISCO. Patents Obtained Prompily. Caveats Filed Expeditiously. Patent Reissues ‘Taken Out. Patents Secured in Foreign Lands. Assignments Made and Recorded in Legal Form. Copies of Patents and Assignments Procured. Examinations of Patents made here and at Washington. ' Examinations made of Assignments Recorded in Washington. Examinations Ordered and Reported by TrenxGRAPH. Rejected Cases taken up and Ratents Obtained. Interferences Prosecuted. Opinions Rendered regarding the Validity of atents and Assignments. Every Legitimate Branch of Patent Agency Business promptly and thoroughly conducted, InuustRatep CircuLars FREE. DEWEY & CO., Publishers and Patent Agents, No. 414 Clay street below Sansome,San Francisco. WIESTER & CO., PATENT BROKERS, No. 314 Bush Street, San Francisco. PATENTS BOUGHT AND SOLD ON COMMISSION. For the henefit of those who live at a distance from the city, we give helow a hrief description of a few of the valuable Patenta which we have in our office. It may be well to state here that no Patent ia received by us for negotiation until it is first endoraed hy reliable experts, to whom cach is subjected for acceptance or rejection. We treat all patents alike, recommending only where true merit is found in the invention. Odermatt & Ettlin’s Fountain Pen. We call the attention of manu to this new iny for supplying writing and drawing pens with a constant flow of ink. The pen-stalk contains suificient ink to last for two orthree days’ constant use, and is provided with stop-cocks, which make it perfectly safe for carrying in the pocket. The flow of ink is uuder perfect control of the operator, A slight pressure on the thumb and _fore-finger on the elastic sides of the holder ia all that is required to reguiate the flow of ink to suit the writer. It never blota unless forced to doso. The cost to manufacture ia small, and the demand for a good Fountain Pen is very extensive among all classes of literary and businessmen. A aample of this invention can be aeen and tried at our office,314 Bush street, San Francisco. The entire Patent, or the Right for any State, can be hought on reasonahle terms. Full particulars furnished on application, NEW LIGHT ON A NEW PRINCIPLE, Gas for everyhody in the city and in the country. Equal tocoal gaa at one-half the cost. The gas is generated and hurned iu a new style Vapor Lamp. No wick, uo chimney, no explosion; and no man who is out of business and has a few dollars should fail to purchase a County or State Right and commence makiug money. ae owning territory get the Lamps at Manufacturers’ prices. Call and examine the light, or write for pariculars. A NEW PAPER FILE AND MUSIC FOLIO. Two excellent inventions included in one patent. Either can he manufactured at a small cost, and neither has an equal in its line. No more expeuse for bindingmusic, Each sheet haa a complete und durable binding aa s00n 95 it is placed in the folio. The California Legislature has endorsed the Paper File by purchasing three hundred and fifty, to take the place of the old style bindcra. It certainly is the most complete article of the kind ever inveoted. Whoever buys the right to manufacture and sell thia invention will secure a good basis fora profitable business. Only the Territory west of tho Rocky Mountains for sale. Parties in the city should call aud examine the article. Full particulars furnished on application, WIESTER & CO., 314 Bush Street, San Francisco, LOCAL AGENTS WANTED. Once reliable busincss man wanted in each and every town on the Pacific Coast to scll Patent Articles. We dealin none but first-class Patents, and each agent reccives the exclusive right to sellin his town. Address WIESTER & CO., 314 Bush street, San Francisco. Important to Assayers. Crucibles. The Patent Plumbago Crucible Co. Manufacturers of all kinds of Melting Pots, Portable Furnaces, CRUCIBLES, and other fire-standing Goods, Battersea Works, London. THE MORGAN PATENT CRUCIBLES have uniform quality: never crack, withstand the greatest heat without auger; heats more rapidly thanany other; change of temperature has no effect on them; staud on the average forty to fifty pourings, CERTIFICATES: United Stetea Brauch Miut. San Francisco, Cal, March 12, 1869—Messra. A. 8. Hailidig & Co., Agents Morgan Crucihie:—I have carefully tested the Morgan Patent Plumbago Crucibles purchased from you for the U.S. B. Mint, and eheeriully certuty to thcir superiority and economy over all other Crucibles used by and under me. They are fuliy what you represent them, and 1 sha)l continue to use them in preference to any otber. MM. KEE y Meiter and Refiner, U. 3. B. Mint. Eaglo Brass Foundry, 206 Fremont street, San Francisco 12th March, 1869—Messrs. A. S Hallidie & Co., 519 Front street—Gcntlemen:—\We have used and tested the Morgan Patent Plunibago Urucibic, for which you are agents, and pronounce thein superior to and clieaper than any Crucible used by ug heretotore, GREENBERG & MOORE. Messrs. A. S. Hallidie & Co We have thoroughly and severely tested in every way the Morgan Patent Plumbago Crucible obtsined by us from you, and tind them atperior to ay we have yet tried, although we have used every pot obtainable in this market, we have none equal to tbe above, and eoneede your claimsforthem. We tbink they will average 45 pourings of brass. GALLAGHER, WEED & CO,, California Brass Works, 125 Front street, San Franclseo. Assav Office of H. Harris, Silver City, Nevada, April 24, 1869—Messrs A. S Haitdie & Co.—Gents, :—1 received from yau threo Crucibles of the Morgan wake, which 1 have used since their arrival, and tested by coustaut use. Siuce 1847, when in the New Orieans Mint, I have always preferred the Crucibie of Dixor’s make over Adus, Gautier, and Taunton, Mass. Yours I flud to be not alone of more finished make, but to stand double or treble the work of Dixun’s Crucitics, The No, 12—tbe smallest sent—has stood so far 32 meitings, and isas good aud sound as when recelved. Your Crucioies do not scalo off like otbers; and as they are forty per cent. clleaper, 1 Go not see why they should not be preferred by all assayersa on account of durahiliiy aud cheapness. Youra respectfully, HARRIS, On hand and forsale by tbe Agents, A. 8. HALLIDIE & CO., 18y18-9p &19 Front atreet. San Francisco KNOWLES’ PATENT STEAM PUMP. This Pump has received the HIGHEST PREMIUM at every Fair where it has been exhihited. It is of superior make and finish ; has all ground jointr; no packing required. It is positive inits action Itia impossihle to stop lt on centers. 1t will always start without using a starting bar. We have two hundred different styles and sizes adapted for Factories, Steamshipa, Sugar Refineries, Breweries, Distilleriea, Gas Works, Oil Worka, Soap Worka, Paper Milla, Tauneries, Bleachcries, Laundries, Railroad Purposes, Quarries, Petroleum Mines, Drainage, etc. Large Pumps for Water Works. Fire and Wrecking Pumps, Pumps guaranteed for every situation. E. T. STEEN & V. CUSHING, SoLe AGENTS FOR THE PactFio Coast, No. 9 FIRST STREET. SAN FRANCISCO, NEW AND SECOND-HAND ENGINES, BOILERS, and MACHINERY OF ALL KINDS, constantly on hand.

One Per Cent. per Month Aliowed on Siz Months' Deposita by the CALIFORNIA BUILDING, LOAN AND SAVINGS BANK, Valifornia street, one doorfrom Sansome. THOMAS MOONEY, President. 6y19-I1m PEN Guns, Pistols, Fishing Tackle PACIFIC Rolling Mill Company, SAN FRANCISCO, CAL, Established for the Manufacture of RAILROAD AND OTHER IRON —ann— Ewery Variety of Shafting, : Embracing ALL SIZES of Steamboat Shafts, Cranks, Piston and Cone 1 Koda, Cur and Locomotive Axles August 2, 1869. BARTON & RUTTER, Importers and Dealers in Sheffield Scientific School Of Wale College, New Haven, Conn, This dopartment of Yale Colloge, instituted in 1840, and endowed with the National Land Grant in 1866, furniahes advauced iustruetion in the various brauebes of Matbematical, Physical, and Natural Science. ‘fhe school ia under the direction of the President of the College, a Board of thirteen Provessorsin differe s}-eclal tles, and slx assistant instructors. Royular courses of study, leading to the degree of Bacbeior of Philusopiy, conferred by Yale College, are arranged as follows: 1—CBREmSray AND MINERALUGY. 2—C1vI1L ENGINEERING. 3—-MxcHANICAL ENGINEERING. 4—MINING ENGINAEHINO AND METALLURGY. 5—AORICULTORK. 6—Nat URaL HisTORY AND UxoLocY, and 7—SzLEOT Covase. Advanced students ura also adinitted to optional courses, andif alrexdy Volicge gradnates, are recolyed as candi ales for the degree ot Doctoi ct Philosophy. Tuition, $125 per year of forty weeks. The Libraries, Museums, Luborstories and Apparatua accesible to students, are varied aud cxteasive. ‘or gopics of the Annual Circular and Report, letters muy be addressed to the “Scorotary of the Shcieid 5 >icntifle Scbool,") New Hayen, Conn, vié-lyl6p aud Frames — aLso— HAMMERED IRON Of every description and s'ze. Gy Orders addressed to PACIFIC ROLLING MILL COMPANY Post Uflice, San Fraucisco, Cal., wlll receive prompt attention. ag@~ The highest priee pald for Scrap Trou THE CALIFORNIA Pocket Cutlery, Etc. SPORTING APPARATUS OF EVERY DESCRIPTION. GOD Clay Sircet, near Montgomery. — @OLE AOENTS FOR — Alexander's Celebrated Pocket Cutlery For the State of Calltornta, INO. C, BARTON. R, A. RUTTER. 9v1l43m9p Silk Manufacturing Company. 16v20-3m16p Incorporated March 4, 1870. PLATINUM JAMES T. DEAN.. oe CEE President . Vessels, Apparatus, Sheet, Wire, Etc. Htc., JAMES MILBURN. Secretary . RODGERS, MEYER & C reasurers, Ooinpany’s office, 121 Posx Stresr, San Frencisco, 12v20-3m For all Laboratory and Manufacturing Purposea. 67 Bond street, New York, Platinum Scrap and Ore purchased, 16720-ly16p W. T. GARRATT & CO. Brass and Bell Founder, Corner Mission and Fremont Streets, MANUFAOTURERS OF Brass, Zincand Anti-Friction or Babbet Metal CASTINGS, Church and Steamboat Bells, TAVERN AND HAND BELLS, GONGS, FIRE ENGINES, FORCE AND LIFT PUMPS. Steam, Liquor, Soda, Oil, Water and Flange Cocks, and Valves of all descriptiona, made and repuired. Hose and all other Jointa, Spelter, Solder and Copper Rivets, etc. Gauge Cocks, Cylinder Cocks, Oil Globes, Steam Whistles. HYDRAULIC PIPES AND NOZZLES for mining purposea, Iron Steam Pipe furnished with Fittings, ete, Coupling Joints of all sizes, Particular attention paid to Distillery Work. Manufacturer of *’ Garratt’s Patent Improved Journal Metal,.”’ tar Highest Market Price paid for OLD BELLS, COPPER and BRASS. 6-tf JAMES HILLMAN, W. T, GARRATT, W. T. LITILE, HUNTINGTON, HOPKINS & CO., —IMPORTERS OF — HARDWARE, = BAR AND SHEET IRON, Steel, Coal, Smiths’ and Miners’ Tools, Boiler Tubes, Gaa Pipo and Fittings, Belting, Hose, and RAILWAY SUPPLIES. — ALSO AOENTAa FOR— ORIENTAL POWDER CO., OF BOSTON, SAN FRANCISCO CORDAGE COMPANY 64 K Street, Sacramento. 7v20-ng WIiLco x’?s —2 WATER LIFTER. Requiring no Engine. : Send for circular containiug full explanations, price list, testimonials and referencea, M,. & A. WELCOX, 16v20-3n1-nhxh 74 K street, Sacramento. N W. SPAULDING, Saw Smithing and Repairing ESTABLISHMENT. Nos. 17 and 19 Fremont St.,near Market, MANUFACTORER OF SPAULDING’S Patent Tooth Circular Saws, They have provedto bethe mo«t duruble and economileal Suws in the World. Each Saw is Warranted in every respect. Particular attention paid to construction of Portable & Stationary Saw Mills. MILLS FURNISHED AT SHORT NOTICE, At the lowest Market Prieca. H. ROYER, Manufacturer of LEATHER BELTING AND LACING, Mabe OF FuLLen Rawuink, Factory, South Park Mills, Brannan strect, bet. Third and Fourth, San Francisco. BaPacific Suw Muanufacturlag Co. nre Sole Agents for H. Rover's Lacing Leuthers. ns The Pacific Insurance Company. No. 422 CALIFOENIA STREET, SAN FRANCISCO, CAL, FIRE AND MARINE INSURANCE. Capital Stock.. Amount in exce: $1,000,000 00 P pay Losses and Dividends... ..«. 606.854 80 ASSETS IN GOLD. Loans on Real Estate and Collaterals worth $2,420,000. . seseeasees 1,066,996 21 Cash in Banks...+. teeeneeens 132,240 67 United States and other Stocks owned by the Company.ccers sesssecersccccese 210,400 00 Real Estate : Conipany’s property, corner California and Leidesdorff streeta.. 146,000 00 Other Asset5....+. SOO ACODODO00 conc 160,217 92 Total Assets in Gold.....0 a» +0.-$1,696,854 80 Losses paid promptly in Gold on Adjustment. J. HUNT, President, A.J. RALSTON, Secretary. kG Insurance effected on the moat ressonahle terms. eh Office, 432 Culifornia Street. $v20-qyl6p