Volume 24 (1872) (424 pages)

June 1, 1872. SCIENTIFIC PRESS. 351 Varney's Patent Amalgamator. These Machines Stand Unrivatied. For rapidity pulverizing and amalgamating ores, thor have noequal. Nocffort has been, or will be sparcd, to have them constructed In the ruost perfect manner, and of the great uumber now In operation, not ouo har ever required repairs. Tho constant and Increasing demand fur them isauficicnt evidence of their merits. They are constructed suas to apply steam directly luto the pulp, or with steam bottoms, as desired. This Amalgamator Operates as Follows. Tbe pan being Alled.the wotton of the muler forcee the pulp to the center, where it ls drawn duwo througb the appertury and between tho grinding surfaces.— Thence itisthrown to tbe periphery into the quicksilver. The curved plutes ayain draw it to the center, where i pases down, and to the clreumference as before, Thur it Liconstantly passing arcguiar flow betwren the grind. Ing surfaces and into the quick«ilver, until the ore {> reduced to an impalpsble powder, and tbe ucts! amalyamated, Swtlers mado on tbe same principle excel all others They briny the pulp so constantly and perfectly in con tact with quicksilver, that the particles aro rapldly and cowpletely atworbed, Mill-menare invited to examine theno pana and setler> for thempelvcs, at the oftico, 229 Fremont Street, San Frauclsco, Yooranninelipcaneny (KX MOLDING, MORTISING, A TENONING AND SHAPING MACIIINES, BAND SAWS, SCROLL SAWS, Planing & Matching MACHINES, ETC., For Rainnosn, Car, and AontCULTULAL Snore, Kte., Eto, 827 Superior to any in use J. A, FAY & CO., CINCINNATI, OHI0, 14v21-6m POWER, TAINTER & CO., MANUFACTURENS OF WOOD-WORKEING MACHINERY, 3003 Chestnut street (West end Chestnut street Bridge) PUILADELPHIA. &F Woodworth Planers a Specialty. Qvaa-ly The Hesse Grinder and Amalgamator. BEST IN USE! Especialiy well adspted for the Reduction of Sulphuret Ores. LORD & LETERS, Ageuts, 304 Battery street, San Francisco, Cal. 82 Scnd for Circular. 13y24.3m THEODORE KALLENBERG, MACIIINIST, and Maker of Models for Invontors. All kinds of Dies, Stumps and Pouches made. Also, all kinds of Small Gears Cut. Repairing done on very Reasonable Terme and in the best manner. No. 32 Fremont street, S. F. 19¥23-3m McAFEE, SPIERS & CO., BOILER MAKERS AND GENERAL MACHINISTS, Howard at, between Fremont and Reale, Ran Francisco, CALDWELI'S Improved Stop Governor, Manufactured at the CYCLOPS MACHINE WORKS, 113 anil! 115 Beale street, San Francisco. $y24-3m WM. CALDWELL. NELSON & DOBLE, AGBNTS FOR Thomas Firth & Sons’ Cast Steel. MANUFACTURERS OF Bledges, EEammers, Stone Ccttera’, Black amiths* and Iforse-Shoers’ Tools. 1S and 15 Bramont sircet near Market, San Francis visuT California File Mannf’g Co. Potrero, Solano street, bet. Tennessco and Minnesota strects, San FRANCISCO. Manufacturers of New Files. Old Files re-cut and warranted equal to now. REAPER AND MOWER SECTIONS, BAERS AND KNIVES COMPLETE, at aaaying of 50 per cont. Orders from tho country promptly attended to. 9v19-by WM. M. BETTS & BROTHER, CARRIAGE SPRING WORKS, 218 Fremont street, bet. Howard and Folsom, GAN FRANCISCO, LOCOMOTIVE, CAR, And sll kinds of Carriago and Wagon Springs mado to Order and Warranted. 3v24-3m BLY BARBER’S BIT BRACE. a “ea STEVENSON'S PATENT MOULD BOARD AMALGAMATING PAY. This Pan is far superior to ull others in several important partienlurs. ‘Tho grinding moiters are near the ceuter, requiring less power. The plow-shaped grooves ruiso tho quicksilver with the pulp regularly, with lees power, without violence, and with better amalgamating ef lect, besides admitting of a larger charge. Tho iucliued-shaped honsmgs of the inoller-plate openiugs viliciently force the pulp directly auder the mutters. NTT sc DOQUEESTURORTETCOREOAS ETOAC COPAE CSE ECON STO = eG Tt has heen constantly rnnning for over eight months, aud has proved, in competition, to produce a higher percentage of —hultion, with less power aud with great saving of quicksilver, over any other pan in use. It is simple in construction and operation, and ehenper in first cost and economy in wear, arvuseitaguitinini pes . i I Manufactured at the Golden State Iron Works (Co-operative), 19 First street, 8. F. Whero it can bo examined and further particulars be learned ; or persons may apply to the inventor and patentee, Mr, C. C. STEVENSON, at the Douglas Mine,,aorp Hin, Stare or Nevava, where tho Pans baye luug been in constant operation. 15v20-1mr,lamtf HENDY’S Improved Lamont Steam Engine Regulator, WITH STOP VALVE ATTACHED. PEREECTLY RELIAGLE. Rapidly Superceding all other GOVERNORS Wherever introduced. We Invite the Attention of those INTERESTED IN OR USING STEAM ENGINES, To OUR IMPROVED REGULATOR AND CUT-OFF, FOR EITHER Stationary or Portable ENGINES. An Examination Will BE SUFFICIENT TO SATISFY THE MOST SKEPTICAL OF ITS UTILITY SIMPLIGITY, And the many References in Our Possession FROM ENGINEERS WHO ARE AND Using them, attest their PRACTICAL SUPERIORITY Over all others. We refer to Union Iron Works; Pacific Iron Works; Fulton Iron Works; M. Taylor, Grass Valley; Pheonix Quicksilver Mining Co., Napa Co.; Samuel MeCurdy, Nevada Co., and others. JOSHUA HENDY, Office and Works, 32 Fremont Street, San Francisco. Hendy's Ore Ooncentraters and Circular Saw Milly 4v24-lam-tf Metallurgy and Ores. RODGERS, MEYER & Co., COMMISSION MERCHANTS, ADVANCES MADE Onall kinds of Ores, and particular attenttor PAID TO CONSIGNMENTS OF GOODS, 4v16-3m LOUIS FALKENAU, STATE ASSAYER, Analytical and Consulting Chemist, 421 Montgomery St. up statra, Partleular attentlon given to the Analysla of Orca Minerals, Metallurgical Produdts, Mineral Waters, Sotls, Commercial Articles, Etc, Ono or two pupils can recelve theoretical and practieal instruction in Assaying, Analysis, or any particula: branch of Chemistry at the laboratory. 11v21-3m LEOPOLD KUH, (Formerly of tho U. 8. Branch Mint, 8. F.) Assayer and Metallurgica? CILEMIST, No. G11 Commercial Street, {Opposlto the U.6. Branch Mint, San Franoisco, Cat. TV21-305 J. W. THURMAN, (Snecessor to S. W. Howland & Co.,) ORE CRUSHERS AND SAMPLERS, Nos. 413 and 415 Mission Street, SAN FRANCISCO, Particular altention paid to Ores received on consignment ALL ORDERS EXECUTED AT THE SHORTEST NOTICE. 5y2i-6m CALIFORNIA ASSAY OFFICE No. 512 CALIFORNIA STREET, One Door West of Montgomery... @an Francisco, J. A. DMLARS, Assayer. R77 Analysis of Ores, Mineral Waters, etc, 10v2¢ Richardson & Co., Copper Ore Wharves, SWANSEA. _ Ricwarpson & Co, have been forthirty years established in Swansea as Agents for the preparation Gan ling, Assay— ing, and Sale of Copper, Silver, Gold, Lend Fine. and all other Ores and Metals, for which they have extensive Warehonses and Wharves nnder cover, 1,000 feet of Quay Frontage witbin the Fieating Dock, and the miost coinplete Maehinery and Appliances, They are also prepared to make advances against Ores in anticipation cf realization, und to gnarantee all payments when required, Tw2d-ly G, W. STRONG. W. L. STRONG G. W. STRONG & CO., Metallurgical Works, No. 10 Gtevenson Street, near First, San FRANoiwoo We purchase Orea, Bullion, etc. Ores worked and Tests made witb care, Also, Assays of Gold, Silver, Copper, Lead, Tin aud other Metals. Qdv2ntt ; PLATINUM Vessels, Apparatus, Sheet, Wire, Etc,, Etc. For all Laboratory and Manufacturing Purposes H. M RAYNOR, 35 Bond street, New York. Platinum 6crap and Ore purchased. 22918 JOHN TAYLOR & CO., IMPORTERS OF AND DEALERS IN ASSAYERS’ MATERIALS, Chemical Apparatus and Chemicals, Druggists’ Glassware and Sundries, PHOTOGRAPHIC GOODS, ETC., 512 ‘and 614 Wasbington street, SAN FRANCISCO. We would call tho special attention of Assayers, Chemlsts, Mining Companies, Milling Companles, Prospectors, etc., to our large and well adapted stock of ASSAYERS’ MATERIALS -AND—= Chemical Apparatus, Having been engaged in furnishing tbese supplies since the first discovery of mines on the Pacific Coast, WE ENUMERATE IN PART: Assay Balances—L. Ocrtlings, Londou, Assuy Balances—Becker & Sons, Antwerp. Chemical Balances—Becker & Sons. Antwerp. Ore or Pulp Balances—Becker & Sons, Antwerp, Assay Weights— Grains and Grammes. Bullion Balances and Weights. Humid Assay Apparatus. Iron Furnaces—Improved, Lined with Fire Brick for Cupelling and Melting. Tongs, Muitles, Cnpel Moulds, Assay Moulds, &corifiers, Roasting Dishes, Annealing Cups, French Clay, Assay Crucibles, Hessian ‘or Sand) Crucibles. Dixou's Celebrated Black Lead Cruciblea aud Covers— all sizes. Assayers’ and Chemlcal Glassware and Assayers’ Hardware a full assortment. Stce] Stamps for bars cut to order. ACIDS AND CHEMICAL8, Acid in carboys and bottles, commerclally and chemi cally pure. Bi Carb. Soda, Borax, Bone Ashes, Litbarze, Avsay Lead in bars, rolled and granulated. Black Oxido Manganese, Sodium and Sodium Amalgam, sulpbate of Copper, Quicksilver, and all Chemicals and Reagents required by Assayers and Milling Co.’s. Ro Our Gold and Siiver Tubles, showing the value per ounce Troy at different degrees of fineness, and valuable tablos for computation of assays in Graiua and Grammes, will be sent upon application. 24923-t£ JOHN TAYLOR & Co,

June 1, 1872. SCIENTIFIC PRESS. 351 Varney's Patent Amalgamator. These Machines Stand Unrivatied. For rapidity pulverizing and amalgamating ores, thor have noequal. Nocffort has been, or will be sparcd, to have them constructed In the ruost perfect manner, and of the great uumber now In operation, not ouo har ever required repairs. Tho constant and Increasing demand fur them isauficicnt evidence of their merits. They are constructed suas to apply steam directly luto the pulp, or with steam bottoms, as desired. This Amalgamator Operates as Follows. Tbe pan being Alled.the wotton of the muler forcee the pulp to the center, where it ls drawn duwo througb the appertury and between tho grinding surfaces.— Thence itisthrown to tbe periphery into the quicksilver. The curved plutes ayain draw it to the center, where i pases down, and to the clreumference as before, Thur it Liconstantly passing arcguiar flow betwren the grind. Ing surfaces and into the quick«ilver, until the ore {> reduced to an impalpsble powder, and tbe ucts! amalyamated, Swtlers mado on tbe same principle excel all others They briny the pulp so constantly and perfectly in con tact with quicksilver, that the particles aro rapldly and cowpletely atworbed, Mill-menare invited to examine theno pana and setler> for thempelvcs, at the oftico, 229 Fremont Street, San Frauclsco, Yooranninelipcaneny (KX MOLDING, MORTISING, A TENONING AND SHAPING MACIIINES, BAND SAWS, SCROLL SAWS, Planing & Matching MACHINES, ETC., For Rainnosn, Car, and AontCULTULAL Snore, Kte., Eto, 827 Superior to any in use J. A, FAY & CO., CINCINNATI, OHI0, 14v21-6m POWER, TAINTER & CO., MANUFACTURENS OF WOOD-WORKEING MACHINERY, 3003 Chestnut street (West end Chestnut street Bridge) PUILADELPHIA. &F Woodworth Planers a Specialty. Qvaa-ly The Hesse Grinder and Amalgamator. BEST IN USE! Especialiy well adspted for the Reduction of Sulphuret Ores. LORD & LETERS, Ageuts, 304 Battery street, San Francisco, Cal. 82 Scnd for Circular. 13y24.3m THEODORE KALLENBERG, MACIIINIST, and Maker of Models for Invontors. All kinds of Dies, Stumps and Pouches made. Also, all kinds of Small Gears Cut. Repairing done on very Reasonable Terme and in the best manner. No. 32 Fremont street, S. F. 19¥23-3m McAFEE, SPIERS & CO., BOILER MAKERS AND GENERAL MACHINISTS, Howard at, between Fremont and Reale, Ran Francisco, CALDWELI'S Improved Stop Governor, Manufactured at the CYCLOPS MACHINE WORKS, 113 anil! 115 Beale street, San Francisco. $y24-3m WM. CALDWELL. NELSON & DOBLE, AGBNTS FOR Thomas Firth & Sons’ Cast Steel. MANUFACTURERS OF Bledges, EEammers, Stone Ccttera’, Black amiths* and Iforse-Shoers’ Tools. 1S and 15 Bramont sircet near Market, San Francis visuT California File Mannf’g Co. Potrero, Solano street, bet. Tennessco and Minnesota strects, San FRANCISCO. Manufacturers of New Files. Old Files re-cut and warranted equal to now. REAPER AND MOWER SECTIONS, BAERS AND KNIVES COMPLETE, at aaaying of 50 per cont. Orders from tho country promptly attended to. 9v19-by WM. M. BETTS & BROTHER, CARRIAGE SPRING WORKS, 218 Fremont street, bet. Howard and Folsom, GAN FRANCISCO, LOCOMOTIVE, CAR, And sll kinds of Carriago and Wagon Springs mado to Order and Warranted. 3v24-3m BLY BARBER’S BIT BRACE. a “ea STEVENSON'S PATENT MOULD BOARD AMALGAMATING PAY. This Pan is far superior to ull others in several important partienlurs. ‘Tho grinding moiters are near the ceuter, requiring less power. The plow-shaped grooves ruiso tho quicksilver with the pulp regularly, with lees power, without violence, and with better amalgamating ef lect, besides admitting of a larger charge. Tho iucliued-shaped honsmgs of the inoller-plate openiugs viliciently force the pulp directly auder the mutters. NTT sc DOQUEESTURORTETCOREOAS ETOAC COPAE CSE ECON STO = eG Tt has heen constantly rnnning for over eight months, aud has proved, in competition, to produce a higher percentage of —hultion, with less power aud with great saving of quicksilver, over any other pan in use. It is simple in construction and operation, and ehenper in first cost and economy in wear, arvuseitaguitinini pes . i I Manufactured at the Golden State Iron Works (Co-operative), 19 First street, 8. F. Whero it can bo examined and further particulars be learned ; or persons may apply to the inventor and patentee, Mr, C. C. STEVENSON, at the Douglas Mine,,aorp Hin, Stare or Nevava, where tho Pans baye luug been in constant operation. 15v20-1mr,lamtf HENDY’S Improved Lamont Steam Engine Regulator, WITH STOP VALVE ATTACHED. PEREECTLY RELIAGLE. Rapidly Superceding all other

GOVERNORS Wherever introduced. We Invite the Attention of those INTERESTED IN OR USING STEAM ENGINES, To OUR IMPROVED REGULATOR AND CUT-OFF, FOR EITHER Stationary or Portable ENGINES. An Examination Will BE SUFFICIENT TO SATISFY THE MOST SKEPTICAL OF ITS UTILITY SIMPLIGITY, And the many References in Our Possession FROM ENGINEERS WHO ARE AND Using them, attest their PRACTICAL SUPERIORITY Over all others. We refer to Union Iron Works; Pacific Iron Works; Fulton Iron Works; M. Taylor, Grass Valley; Pheonix Quicksilver Mining Co., Napa Co.; Samuel MeCurdy, Nevada Co., and others. JOSHUA HENDY, Office and Works, 32 Fremont Street, San Francisco. Hendy's Ore Ooncentraters and Circular Saw Milly 4v24-lam-tf Metallurgy and Ores. RODGERS, MEYER & Co., COMMISSION MERCHANTS, ADVANCES MADE Onall kinds of Ores, and particular attenttor PAID TO CONSIGNMENTS OF GOODS, 4v16-3m LOUIS FALKENAU, STATE ASSAYER, Analytical and Consulting Chemist, 421 Montgomery St. up statra, Partleular attentlon given to the Analysla of Orca Minerals, Metallurgical Produdts, Mineral Waters, Sotls, Commercial Articles, Etc, Ono or two pupils can recelve theoretical and practieal instruction in Assaying, Analysis, or any particula: branch of Chemistry at the laboratory. 11v21-3m LEOPOLD KUH, (Formerly of tho U. 8. Branch Mint, 8. F.) Assayer and Metallurgica? CILEMIST, No. G11 Commercial Street, {Opposlto the U.6. Branch Mint, San Franoisco, Cat. TV21-305 J. W. THURMAN, (Snecessor to S. W. Howland & Co.,) ORE CRUSHERS AND SAMPLERS, Nos. 413 and 415 Mission Street, SAN FRANCISCO, Particular altention paid to Ores received on consignment ALL ORDERS EXECUTED AT THE SHORTEST NOTICE. 5y2i-6m CALIFORNIA ASSAY OFFICE No. 512 CALIFORNIA STREET, One Door West of Montgomery..... @an Francisco, J. A. DMLARS, Assayer. R77 Analysis of Ores, Mineral Waters, etc, 10v2¢ Richardson & Co., Copper Ore Wharves, SWANSEA. _ Ricwarpson & Co, have been forthirty years established in Swansea as Agents for the preparation Gan ling, Assay— ing, and Sale of Copper, Silver, Gold, Lend Fine. and all other Ores and Metals, for which they have extensive Warehonses and Wharves nnder cover, 1,000 feet of Quay Frontage witbin the Fieating Dock, and the miost coinplete Maehinery and Appliances, They are also prepared to make advances against Ores in anticipation cf realization, und to gnarantee all payments when required, Tw2d-ly G, W. STRONG. W. L. STRONG G. W. STRONG & CO., Metallurgical Works, No. 10 Gtevenson Street, near First, San FRANoiwoo We purchase Orea, Bullion, etc. Ores worked and Tests made witb care, Also, Assays of Gold, Silver, Copper, Lead, Tin aud other Metals. Qdv2ntt ; PLATINUM Vessels, Apparatus, Sheet, Wire, Etc,, Etc. For all Laboratory and Manufacturing Purposes H. M RAYNOR, 35 Bond street, New York. Platinum 6crap and Ore purchased. 22918 JOHN TAYLOR & CO., IMPORTERS OF AND DEALERS IN ASSAYERS’ MATERIALS, Chemical Apparatus and Chemicals, Druggists’ Glassware and Sundries, PHOTOGRAPHIC GOODS, ETC., 512 ‘and 614 Wasbington street, SAN FRANCISCO. We would call tho special attention of Assayers, Chemlsts, Mining Companies, Milling Companles, Prospectors, etc., to our large and well adapted stock of ASSAYERS’ MATERIALS -AND—= Chemical Apparatus, Having been engaged in furnishing tbese supplies since the first discovery of mines on the Pacific Coast, WE ENUMERATE IN PART: Assay Balances—L. Ocrtlings, Londou, Assuy Balances—Becker & Sons, Antwerp. Chemical Balances—Becker & Sons. Antwerp. Ore or Pulp Balances—Becker & Sons, Antwerp, Assay Weights— Grains and Grammes. Bullion Balances and Weights. Humid Assay Apparatus. Iron Furnaces—Improved, Lined with Fire Brick for Cupelling and Melting. Tongs, Muitles, Cnpel Moulds, Assay Moulds, &corifiers, Roasting Dishes, Annealing Cups, French Clay, Assay Crucibles, Hessian ‘or Sand) Crucibles. Dixou's Celebrated Black Lead Cruciblea aud Covers— all sizes. Assayers’ and Chemlcal Glassware and Assayers’ Hardware a full assortment. Stce] Stamps for bars cut to order. ACIDS AND CHEMICAL8, Acid in carboys and bottles, commerclally and chemi cally pure. Bi Carb. Soda, Borax, Bone Ashes, Litbarze, Avsay Lead in bars, rolled and granulated. Black Oxido Manganese, Sodium and Sodium Amalgam, sulpbate of Copper, Quicksilver, and all Chemicals and Reagents required by Assayers and Milling Co.’s. Ro Our Gold and Siiver Tubles, showing the value per ounce Troy at different degrees of fineness, and valuable tablos for computation of assays in Graiua and Grammes, will be sent upon application. 24923-t£ JOHN TAYLOR & Co,