Volume 24 (1872) (424 pages)

March 30, 1872.] SCIENTIFIC PRESS. 207 ao A . *9 ¥ California File Manut’g Co. Potrero, Solano atreet, bet. Tennessee and Miunesola atrotts, San Francisco, Manufacturera of New Files. Old Files recut and warranted cpiul tu new. BKEAPER AND MOWER SEOPIONS, BARKS AND KAIVES COM LETTE, at assving of 50 per cont. Orders frum tho conutry promptly attended to, 9vld hy Notice is hereby given, that the copartnership heretofore existlug between A. J. Severance, Charles W, Randall and J. Gus. Burt, under the frm uaine of * Sevorsuce, Holt & Co.,” Is this day dissolved a miutual consent. A.J, Severance, haying purchased alithe luterust of his late partuers, will coutinus the bnolness of manufacturing aud selling Diamond Drills, as bofvure, under the ntylo uf A. J. Suyerauce & Co. Dated San Francisco, Noy, 21, 1871. Ofice, 315 Califuruls street, A. J, SEVERANCE, UUAS. H, WANDALL, O22. vod J. GUS, BURT. THEODORE KALLENBERG, MACHINIST, and Makcr of Models for Invenlors. All kinds of Didi, Stampa and Pwiches nade, Also, all kinds of Siuall Gears Cut. Repalring done on very Reasonable Terms and In the best manner. No, 32 Fremont street, 8. F, 19y23-3m WM. M. BETTS & BROTHER, CARRIAGE SPRING WORKS, 218 Fremont street, bet, Howard and Folsom, SAN FRANCISCO. LOCOMOTIVE, CAR, And all kinda of Carrlago and Wagon Springs made to rd¢r aud Warranted. 3y24-3m CALDWISLISSS Improved Stop Governor, Mannfactured at tho CYCLOPS MACHINE WORKS, 113 anc 115 Beale strect, San Fraucisco. 3y24-3m WM. CALDWELL. JOS. THORNHILL, Bricklayer and Contractor. Particular attention pald to all kinda of Flre Work, such as Botlers, Furnsces, Ovens, Orates, Ranges, ctc. Orders left with C. W, Wirre, 47 Clay street, JOS. THORNHILL, 1612 Mason street, near Green, will be promptly attended to. 24v21-3m BROWN’S PATENT LAMP. y = 5) = fy 1 & : ms 2 S al b <4 ie x “ a 5 if = ; ‘ PT is z 0 R (4 id 9 A i One of these Lamps, when placed at a distance of 200 feet from the bank, will light up a bank surfuce 250 feet in length and I60 feet bigh, and toa much better ad yantage than any other light berctofore tried, and at an expense not to excecd five cents per hour. Lumps furnished at short notice. For further particulars address Cc. B. BROWN, Ty24-t Placerville, Cal. NELSON & DOBLE, AGENTS FOR Thomas Firth & Sons’ Cast Steel. “a MANUFACTURERS OF Hommers, Stone Cutters’, Black amitha’ and Horse-Shoers’ Tools, 1% and 16 Fremont strcet, eee Market, San Francis ar Sledgen, SHEET IRON PIPE. THE Risdon Iron and Locomotive Works Corner Howard and Beale Streets, Are prepared to make SHEET IRON AND ASPHALTUM PIPE, of any size and for any pressnre, and contract to lay the same where wanted, guaranteeing a perfect worklng pipo with tho least amount of material. All kinds of OAR WHEELS, AXLES and RAILROAD WORK made to order. Standard sizes of Wheels eonstantly on hand Wheels hored and pressed on, Axles turned, etc., at Reasonable Rates. @@ All kinds of Machinery made and repaired, 24¥22.3m. JOSEPH MOORE, Superintendent. J. M. STOCKMAN, Manufacturer of PATTERNS AND MODELS, {Over W. T. Garratt’s Brass Foundry). En N. W. corner Natoms and Fremont streets, 8. F. 6y23-3n3 trance on Natoma street. BLAKE’S PATENT STEAM PUMP. Prem the Report of the Coumittes an Stenm Ptanps, at the Seventh Industrial Exhibition of the Mechanies’ Institale, San Francisco ¢ BLARL'S EAM VOMY.—Thia Pinap yiebbal Me beat neue) us b the ypanility of wataeolbs haved as pared wath its mivastinal capacity. wyalven are ot brass, aud well arranged, ‘Pho stew valves are well arratiged for operating the purupy, eather fast or slow. Wo recommend that a Medsl be awarded to it, a4 THE BEST STEAM PUMP, the frst premiuu.] (Slgned) (Awarded a Su.ven MEDAL, ue SPIEKS, vi ; WM. H. BIRCH, From tho Report of the Committeo on Steam Pumps, at the Eighth (or fast) Industrial Exhibition of the Mechanics’ Institute, San Francisco : BLARE’S MINING PUMP.—This ls an excclleut Pump, well mad: id giv recommend & Diploma for this Pump. (Sigued hy the Coumiiee hill OTS a, W. DICKIE, H. B. ANGEL, W. EPPELSHEIMER, MELLVILLE ATWOOD, [Xo other Steam Pamp received other than a Diploma or honorable mention at the LAST Mechanics’ Exhihition, all other assertions lo the contrary nolintthestanding, Hooker’s Hand Pump was the oaly Pump, of any kind whalsocvor, that received a MEDAL and FIRST PREMIUM (highest uward to pumps) at the fasé Exhibition, fur which we aro also selling agents.—Ace oficial Itvpart af Ue above Comittee] CHAS, R. STEIGER, The trial of Steam Pinups at the Bighih Industelat Fair tu San Fraueinco, by a committer of tive of the most thoroughly practical mechanics on this coust (as above 1aued), showed thal the Binke Pump gave 86 per cent. of uta power, while others yuve but G0 per cent., showhiy gicat tifferenuce Iu geonully, The Blake Pump is the ONLY Steam Pump that EVER RECELVED A SILVER MEDAL at any Exhibition of the Mechanics’ Institute ever held in San Francisco or California, 89 A complele stock of all sizes constantly on band at tho Machiuery Warchonee of the Agents, TREADWELL & CO., Market street, corner of Fremont, San Francisco, KNOWLES’ PATENT STEAM PUMP. KReeeived the Highest Award---A Diploma--Over all Steam Pump Competitors, at Mechanics’ Institute Fair of San Francisco, 1871; also Special Medal and Diploma at State Fair. 12y3-awhp _ dt has no Cranks or Fly-Wheel, and has no dead points where it will step, consequenlly il is always ready to start without using a starting-bar, and does not require hand-work to get if beat Me center, Will always start when the steam cylinder is filled with cold water of conensation, The trial of Steam Pumps at the Highth Industrial Fair in San Francisco, by a Committee of Five of the most thoroughly practical mechanics on this coast, showed the Knowles Pump to lose but 1114 per cent., while others lost as high as 40 per cent., showing great difference in economy. CENTRAL PACIFIC R. R., OFFICE OF THE GEN'L MASTER et SAcRAMENTO, Cal., April 14, 1871. A, L, FISH, Esg., Agent of the Knowles’ Steam Pump, San Prancisco—Dear Sir: In reply to your inquiry a¢ to tho merits of the Knowles’ Steam: Pump, iu use npon thie road, I will say that we have ninetcen of them in use on this road us fire engines, and pumping water for shop and station use. I consider the Knowles Steam Pump the best in use, and prefer ittoany other. Yours truly, A.J. STEVENS, General Master Mechanic. .WE BUILD AND HAVE CONSTANTLY ON HAND THE LARGEST STOCK OF PUMPS IN THE WORLD, And for Eyery Conceivable Purpose. A. L. FISH, Agent. No 9 First iStreet, San Francisco, Cal. P. S.—All kinds of new and second-hand Machines on hand. 3v24-eow-bp BLAKE’S PATENT STEAM PUMWP. From the Report of the Committee on Stearn Pumps, at the Seventh Industrial Exhibition of the Mechanics’ Institute, San Fraucisco BLAKE'S STEAM PUMP.—This Pump yielded the best results as to the quantity of water discharged a+ eompared with its mcasured eupacity. ‘Lhe valves are of brass, and well arranged, The steam vulves ure well arranged for opcrating the pumps, either fast or slow. We recommend that a Medal be awarded to it, as THE GEST STEAM PUMP. the first premium.] (Signed) [Awarded a Smyvmr Mepan, JAS. SPIERS, WM. H, BIRCH, From the Report of the Committee on Stenm Pumps, at the Lighth (or last) Industrial Exhibition of th Mechunics' Institute, San Francisco: BLAKE'S MINING PUMP.—This is an excellent Pump, well made, aud gives a high per cent. of duty. We recommend & Diploma for this Pump. (Signed by the Comunittce.) @. W. DICKIE, H. B, ANOEL, OHAS. R. STEIGER, W. EPPELSHEIMER, MELVILLE ATWOOD. (No other Steam Pump reecived othcr than a Diploma or honorable mention at the LAST Mechanics’ Exhibition, all other assertions to the contrary notwithstanding. Hooker's Hand Pump was the only Pump of any kind whatsoever, that received 2 MEDAL and FIRST PREMIUM (highest award to pumps) at the last Exhibition, tor which we are also sclling agenty.—See official Report of the above Committee.) Tbe trial of Steam Pumps at the Eighth Industrial Fair in San Francisco, by a committee of five of the most thoroughly practical mechunies on this coast (as above named), showed thxt the Bluke Puwp gave 86 per cent. o} utilized power, while others guve but 60 per cent., showing greut difference in economy. The Blake Pump is the ONLY Steam Pump that EVER RECEIF EL A SILVER MEDAL at any Exhibition of the Mechanies’ Institule ever held in San Francisco ov California, nor A complete stock of all sizes constantly on hand at the Machinery Warehouse of the Agents, TREADWELL & CoO.,. v Market Street, corner of Fremont, San Trancisco, Metallurgy and Ores. RODGERS, MEYER & CO.,, COMMISSION MERCIUANTS, ADVANCES MADE Onall hinds of Orcs, and particular attentlox PAID TO CONSIGNMENTS OF GOODK, 4v16.8m LOUIS FALKENAU, STATE ASSAYER, Analytical and Consulting Chemist, 421 Moutromery St. up stuira, Partleulur attention given to the Analysis of Ores. Mincrals, Mctallurgicul Produdts, Mineral Waters, Soils, Commercial Articles, Ete. One or two puplls cau recelve theoretical and practl. cal instruction in Arraylng, Analysis, or any particular branch of Chensistry at the laboratory. ly21-3i3 LEOPOLD KUH, (Formerly of tho U, 8. Branch Bfint, 8. F.) Assayer and Metallurgica? CIILMIST, No. 611 Commerctul Strert, (Opposite the U.8. Branch Mint, San Francisco, Car, Tv2l-30 NEVADA METALLURGICAL WORKSI) aud 21 First st., In Golden State Foundry. RIOTTE & LUCKIUARDT, Ores Crushed, Sampled and Asanyed. Having added Pans, Assiy office and Chlorination Apparatus to our establishnicnt, we are now prepared to make working teata by any process, assay ores aud prodnets, Retirns guarrantecd, Auswers to all mctallurical quos tions given, 26v21-3m J. W. THURMAN, (Successor to 8S. W. Howland & Co.,) ORE CRUSHERS AND SAMPLERS, Nos. 418 and 415 Mission Street, SAN FRANCISCO. Particular atlention paid to Ores received on consignment. ALL ORDERS EXECUTED AT THE SHORTEST NOTICE, Sv24-6m CALIFORNIA ASSAY OFFICE No. 512 CALIFORNIA STREET, One Door West of Moutgomery.....San FRANCISCO, J. A. MARS, Assayer. Ra Analysis of Ores, Mineral Waters, etc, 10v2¢ G, W. BTEONG, W, L, 8THONG Gc. W. STRONG & CO., Metallurgieal Worlis, No. 10 Stevenson Street, near First, San Franoisoo We purchase Ores, Bullion, etc, Ores worked anil Tests made with care, Also, Assays of Gold, silver, Copper, Lead, Tin and other Metals. 23y22tf PLATINUM Vessels, Apparatus, Sheet, Wire, Eic., Ete, For all Lahoratory and Manufacturing Purposes H. M RAYNOR, 25 Bond street, New York. Platinum Scrap and Ore prrchased. 2avl3 JOHN TAYLOR & CO., IMPORTERS OF AND DEALERS IN ASSAYERS’ MATERIALS, Chemical Apparatus and Chemicals, Druggists’ Glassware and Sundries, PHOTOGRAPHIC GOODS, ETC., 512 ‘and 514 Washington street, SAN FRANCISCO. ‘Wo would call the special attention of Assayers, Chemists, Mining Companies, Milling Companies, Prospectors, etc., to our large and well adapted stock of ASSAYERS’ MATERIALS —AND— Chemical Apparatus, Having beeu engaged in furnishing these supplies since the first discoyery of mines ou the Pacific Coast. WE ENUMERATE IN PART: Assay Balances—L. Oertlings, London. Assuy Baluuces—Becker & Sons, Antwerp. Chemical Balances—Becker & Sons, Antwerp. Ore or Pulp Balances—Becker & Sons, Antwerp. Assay Weights—Grains and Orammes. Bullion Balances and Weights. Humid Assay Apparatus. lron Furnaces—Improved, Lined with Fire Brick for Cupelling and Melting. Tongs, Muffics, Cupel Moulds, Assay Moulds, Scorifiers, Roasting Dishes, Annealing Cups, French Clay, Assay Crueibles, Hessian ‘or Sand) Crucihles. Dixon's Celebrated Black Lead Crucihles aud Covers— all sizes. Assayers' and Chemical Glassware and Assayers’ Hardware a full assortment. Steel Stumps for hais eut to order. ACIDS AND CHEMICALS. Acid in carbuys and hottles, commercially and chemi eully pure. Bi Carb. Soda, Borax, Bone Ashes, Litbarge. Assay Lead in burs, rolled and granulated. Black Oxide Manganese, Sodium and Sodium Amalgam, Sulphate of Copper, Quicksilver, and all Chemicals and Reagents required by Assayers and Milling Co.'s. 2” Our Gold and Silver Tables, showing the yalue per ounee Troy at different degrees of fineness, and yuluuble tables for computation of assays in Graius aud Orammes, will he sent upon application, 24v23-t£ JOHN TAYLOR & CO,

March 30, 1872.] SCIENTIFIC PRESS. 207 ao A . *9 ¥ California File Manut’g Co. Potrero, Solano atreet, bet. Tennessee and Miunesola atrotts, San Francisco, Manufacturera of New Files. Old Files recut and warranted cpiul tu new. BKEAPER AND MOWER SEOPIONS, BARKS AND KAIVES COM LETTE, at assving of 50 per cont. Orders frum tho conutry promptly attended to, 9vld hy Notice is hereby given, that the copartnership heretofore existlug between A. J. Severance, Charles W, Randall and J. Gus. Burt, under the frm uaine of * Sevorsuce, Holt & Co.,” Is this day dissolved a miutual consent. A.J, Severance, haying purchased alithe luterust of his late partuers, will coutinus the bnolness of manufacturing aud selling Diamond Drills, as bofvure, under the ntylo uf A. J. Suyerauce & Co. Dated San Francisco, Noy, 21, 1871. Ofice, 315 Califuruls street, A. J, SEVERANCE, UUAS. H, WANDALL, O22. vod J. GUS, BURT. THEODORE KALLENBERG, MACHINIST, and Makcr of Models for Invenlors. All kinds of Didi, Stampa and Pwiches nade, Also, all kinds of Siuall Gears Cut. Repalring done on very Reasonable Terms and In the best manner. No, 32 Fremont street, 8. F, 19y23-3m WM. M. BETTS & BROTHER, CARRIAGE SPRING WORKS, 218 Fremont street, bet, Howard and Folsom, SAN FRANCISCO. LOCOMOTIVE, CAR, And all kinda of Carrlago and Wagon Springs made to rd¢r aud Warranted. 3y24-3m CALDWISLISSS Improved Stop Governor, Mannfactured at tho CYCLOPS MACHINE WORKS, 113 anc 115 Beale strect, San Fraucisco. 3y24-3m WM. CALDWELL. JOS. THORNHILL, Bricklayer and Contractor. Particular attention pald to all kinda of Flre Work, such as Botlers, Furnsces, Ovens, Orates, Ranges, ctc. Orders left with C. W, Wirre, 47 Clay street, JOS. THORNHILL, 1612 Mason street, near Green, will be promptly attended to. 24v21-3m BROWN’S PATENT LAMP. y = 5) = fy 1 & : ms 2 S al b <4 ie x “ a 5 if = ; ‘ PT is z 0 R (4 id 9 A i One of these Lamps, when placed at a distance of 200 feet from the bank, will light up a bank surfuce 250 feet in length and I60 feet bigh, and toa much better ad yantage than any other light berctofore tried, and at an expense not to excecd five cents per hour. Lumps furnished at short notice. For further particulars address Cc. B. BROWN, Ty24-t Placerville, Cal. NELSON & DOBLE, AGENTS FOR Thomas Firth & Sons’ Cast Steel. “a MANUFACTURERS OF Hommers, Stone Cutters’, Black amitha’ and Horse-Shoers’ Tools, 1% and 16 Fremont strcet, eee Market, San Francis ar Sledgen, SHEET IRON PIPE. THE Risdon Iron and Locomotive Works Corner Howard and Beale Streets, Are prepared to make SHEET IRON AND ASPHALTUM PIPE, of any size and for any pressnre, and contract to lay the same where wanted, guaranteeing a perfect worklng pipo with tho least amount of material. All kinds of OAR WHEELS, AXLES and RAILROAD WORK made to order. Standard sizes of Wheels eonstantly on hand Wheels hored and pressed on, Axles turned, etc., at Reasonable Rates. @@ All kinds of Machinery made and repaired, 24¥22.3m. JOSEPH MOORE, Superintendent. J. M. STOCKMAN, Manufacturer of PATTERNS AND MODELS, {Over W. T. Garratt’s Brass Foundry). En N. W. corner Natoms and Fremont streets, 8. F. 6y23-3n3 trance on Natoma street. BLAKE’S PATENT STEAM PUMP. Prem the Report of the Coumittes an Stenm Ptanps, at the Seventh Industrial Exhibition of the Mechanies’ Institale, San Francisco ¢ BLARL'S EAM VOMY.—Thia Pinap yiebbal Me beat neue) us b the ypanility of wataeolbs haved as pared wath its mivastinal capacity. wyalven are ot brass, aud well arranged, ‘Pho stew valves are well arratiged for operating the purupy, eather fast or slow. Wo recommend that a Medsl be awarded to it, a4 THE BEST STEAM PUMP, the frst premiuu.] (Slgned) (Awarded a Su.ven MEDAL, ue SPIEKS, vi ; WM. H. BIRCH, From tho Report of the Committeo on Steam Pumps, at the Eighth (or fast) Industrial Exhibition of the Mechanics’ Institute, San Francisco : BLARE’S MINING PUMP.—This ls an excclleut Pump, well mad: id giv recommend & Diploma for this Pump. (Sigued hy the Coumiiee hill OTS a, W. DICKIE, H. B. ANGEL, W. EPPELSHEIMER, MELLVILLE ATWOOD, [Xo other Steam Pamp received other than a Diploma or honorable mention at the LAST Mechanics’ Exhihition, all other assertions lo the contrary nolintthestanding, Hooker’s Hand Pump was the oaly Pump, of any kind whalsocvor, that received a MEDAL and FIRST PREMIUM (highest uward to pumps) at the fasé Exhibition, fur which we aro also selling agents.—Ace oficial Itvpart af Ue above Comittee] CHAS, R. STEIGER, The trial of Steam Pinups at the Bighih Industelat Fair tu San Fraueinco, by a committer of tive of the most thoroughly practical mechanics on this coust (as above 1aued), showed thal the Binke Pump gave 86 per cent. of uta power, while others yuve but G0 per cent., showhiy gicat tifferenuce Iu geonully, The Blake Pump is the ONLY Steam Pump that EVER RECELVED A SILVER MEDAL at any Exhibition of the Mechanics’ Institute ever held in San Francisco or California, 89 A complele stock of all sizes constantly on band at tho Machiuery Warchonee of the Agents, TREADWELL & CO., Market street, corner of Fremont, San Francisco, KNOWLES’ PATENT STEAM PUMP. KReeeived the Highest Award---A Diploma--Over all Steam Pump Competitors, at Mechanics’ Institute Fair of San Francisco, 1871; also Special Medal and Diploma at State Fair. 12y3-awhp _ dt has no Cranks or Fly-Wheel, and has no dead points where it will step, consequenlly il is always ready to start without using a starting-bar, and does not require hand-work to get if beat Me center, Will always start when the steam cylinder is filled with cold water of conensation, The trial of Steam Pumps at the Highth Industrial Fair in San Francisco, by a Committee

of Five of the most thoroughly practical mechanics on this coast, showed the Knowles Pump to lose but 1114 per cent., while others lost as high as 40 per cent., showing great difference in economy. CENTRAL PACIFIC R. R., OFFICE OF THE GEN'L MASTER et SAcRAMENTO, Cal., April 14, 1871. A, L, FISH, Esg., Agent of the Knowles’ Steam Pump, San Prancisco—Dear Sir: In reply to your inquiry a¢ to tho merits of the Knowles’ Steam: Pump, iu use npon thie road, I will say that we have ninetcen of them in use on this road us fire engines, and pumping water for shop and station use. I consider the Knowles Steam Pump the best in use, and prefer ittoany other. Yours truly, A.J. STEVENS, General Master Mechanic. .WE BUILD AND HAVE CONSTANTLY ON HAND THE LARGEST STOCK OF PUMPS IN THE WORLD, And for Eyery Conceivable Purpose. A. L. FISH, Agent. No 9 First iStreet, San Francisco, Cal. P. S.—All kinds of new and second-hand Machines on hand. 3v24-eow-bp BLAKE’S PATENT STEAM PUMWP. From the Report of the Committee on Stearn Pumps, at the Seventh Industrial Exhibition of the Mechanics’ Institute, San Fraucisco BLAKE'S STEAM PUMP.—This Pump yielded the best results as to the quantity of water discharged a+ eompared with its mcasured eupacity. ‘Lhe valves are of brass, and well arranged, The steam vulves ure well arranged for opcrating the pumps, either fast or slow. We recommend that a Medal be awarded to it, as THE GEST STEAM PUMP. the first premium.] (Signed) [Awarded a Smyvmr Mepan, JAS. SPIERS, WM. H, BIRCH, From the Report of the Committee on Stenm Pumps, at the Lighth (or last) Industrial Exhibition of th Mechunics' Institute, San Francisco: BLAKE'S MINING PUMP.—This is an excellent Pump, well made, aud gives a high per cent. of duty. We recommend & Diploma for this Pump. (Signed by the Comunittce.) @. W. DICKIE, H. B, ANOEL, OHAS. R. STEIGER, W. EPPELSHEIMER, MELVILLE ATWOOD. (No other Steam Pump reecived othcr than a Diploma or honorable mention at the LAST Mechanics’ Exhibition, all other assertions to the contrary notwithstanding. Hooker's Hand Pump was the only Pump of any kind whatsoever, that received 2 MEDAL and FIRST PREMIUM (highest award to pumps) at the last Exhibition, tor which we are also sclling agenty.—See official Report of the above Committee.) Tbe trial of Steam Pumps at the Eighth Industrial Fair in San Francisco, by a committee of five of the most thoroughly practical mechunies on this coast (as above named), showed thxt the Bluke Puwp gave 86 per cent. o} utilized power, while others guve but 60 per cent., showing greut difference in economy. The Blake Pump is the ONLY Steam Pump that EVER RECEIF EL A SILVER MEDAL at any Exhibition of the Mechanies’ Institule ever held in San Francisco ov California, nor A complete stock of all sizes constantly on hand at the Machinery Warehouse of the Agents, TREADWELL & CoO.,. v Market Street, corner of Fremont, San Trancisco, Metallurgy and Ores. RODGERS, MEYER & CO.,, COMMISSION MERCIUANTS, ADVANCES MADE Onall hinds of Orcs, and particular attentlox PAID TO CONSIGNMENTS OF GOODK, 4v16.8m LOUIS FALKENAU, STATE ASSAYER, Analytical and Consulting Chemist, 421 Moutromery St. up stuira, Partleulur attention given to the Analysis of Ores. Mincrals, Mctallurgicul Produdts, Mineral Waters, Soils, Commercial Articles, Ete. One or two puplls cau recelve theoretical and practl. cal instruction in Arraylng, Analysis, or any particular branch of Chensistry at the laboratory. ly21-3i3 LEOPOLD KUH, (Formerly of tho U, 8. Branch Bfint, 8. F.) Assayer and Metallurgica? CIILMIST, No. 611 Commerctul Strert, (Opposite the U.8. Branch Mint, San Francisco, Car, Tv2l-30 NEVADA METALLURGICAL WORKSI) aud 21 First st., In Golden State Foundry. RIOTTE & LUCKIUARDT, Ores Crushed, Sampled and Asanyed. Having added Pans, Assiy office and Chlorination Apparatus to our establishnicnt, we are now prepared to make working teata by any process, assay ores aud prodnets, Retirns guarrantecd, Auswers to all mctallurical quos tions given, 26v21-3m J. W. THURMAN, (Successor to 8S. W. Howland & Co.,) ORE CRUSHERS AND SAMPLERS, Nos. 418 and 415 Mission Street, SAN FRANCISCO. Particular atlention paid to Ores received on consignment. ALL ORDERS EXECUTED AT THE SHORTEST NOTICE, Sv24-6m CALIFORNIA ASSAY OFFICE No. 512 CALIFORNIA STREET, One Door West of Moutgomery.........San FRANCISCO, J. A. MARS, Assayer. Ra Analysis of Ores, Mineral Waters, etc, 10v2¢ G, W. BTEONG, W, L, 8THONG Gc. W. STRONG & CO., Metallurgieal Worlis, No. 10 Stevenson Street, near First, San Franoisoo We purchase Ores, Bullion, etc, Ores worked anil Tests made with care, Also, Assays of Gold, silver, Copper, Lead, Tin and other Metals. 23y22tf PLATINUM Vessels, Apparatus, Sheet, Wire, Eic., Ete, For all Lahoratory and Manufacturing Purposes H. M RAYNOR, 25 Bond street, New York. Platinum Scrap and Ore prrchased. 2avl3 JOHN TAYLOR & CO., IMPORTERS OF AND DEALERS IN ASSAYERS’ MATERIALS, Chemical Apparatus and Chemicals, Druggists’ Glassware and Sundries, PHOTOGRAPHIC GOODS, ETC., 512 ‘and 514 Washington street, SAN FRANCISCO. ‘Wo would call the special attention of Assayers, Chemists, Mining Companies, Milling Companies, Prospectors, etc., to our large and well adapted stock of ASSAYERS’ MATERIALS —AND— Chemical Apparatus, Having beeu engaged in furnishing these supplies since the first discoyery of mines ou the Pacific Coast. WE ENUMERATE IN PART: Assay Balances—L. Oertlings, London. Assuy Baluuces—Becker & Sons, Antwerp. Chemical Balances—Becker & Sons, Antwerp. Ore or Pulp Balances—Becker & Sons, Antwerp. Assay Weights—Grains and Orammes. Bullion Balances and Weights. Humid Assay Apparatus. lron Furnaces—Improved, Lined with Fire Brick for Cupelling and Melting. Tongs, Muffics, Cupel Moulds, Assay Moulds, Scorifiers, Roasting Dishes, Annealing Cups, French Clay, Assay Crueibles, Hessian ‘or Sand) Crucihles. Dixon's Celebrated Black Lead Crucihles aud Covers— all sizes. Assayers' and Chemical Glassware and Assayers’ Hardware a full assortment. Steel Stumps for hais eut to order. ACIDS AND CHEMICALS. Acid in carbuys and hottles, commercially and chemi eully pure. Bi Carb. Soda, Borax, Bone Ashes, Litbarge. Assay Lead in burs, rolled and granulated. Black Oxide Manganese, Sodium and Sodium Amalgam, Sulphate of Copper, Quicksilver, and all Chemicals and Reagents required by Assayers and Milling Co.'s. 2” Our Gold and Silver Tables, showing the yalue per ounee Troy at different degrees of fineness, and yuluuble tables for computation of assays in Graius aud Orammes, will he sent upon application, 24v23-t£ JOHN TAYLOR & CO,