Volume 24 (1872) (424 pages)

April 27, 1872.] SCIENTIFIC PRESS. 271 Notice is hereby given, that the copartnerahip heretof existing bet A.J. Severance; Charles W. Randall and J. hus. Burt, noder the frm name of “ Severance, Holt & Co.,” is this day diseolved by mntual consent. A.J. Severance, having purchased all the interest of hia late partnerw, will ceutiuue the business of manufactoring and selling Diamend Drills, as hefore, under the styie of A. J. Scverauce & Co, Dated San Francisco, Nov. 2¢, 1871. * Office, 315 Caiifornia atreet. A. J. SEVERANCE, CHAS. H. RANDALL. Phw2-tf J. GUS. BURT. ‘WM. M. BETTS & BROTHER, CARRIAGE SPRING WORKS, 218 Fremont atreet, bet, Howard and Folsom, SAN FRANCISCO, LOcOo MO TiveT, CAR, * And all kinds of Carriage and Wagon Springs made te rier apd Warranted. 3v2i3m CALDWELIS Improved Stop Governor, Manufactured at the CYCLOPS MACHINE WORKS, 113 and 116 Beale street, San Francisco, Sv24-3m WH. CALDWELL. BROWN'S PATENT LAMP. tw SLUIIC FO LAMI*, SyNvIpL. _T pus PATENT ‘SULIV(O Bsuyuyye BROWNS One of thesc Lamps, when placed at a distanco of 200 feet from the hank, will light np a hank surface 260 feet in length and 100 feet high, and toa munch botter advantage than any other light heretofore tried, and ut an expense not to exceed five cents per hour, Lamps furnixhed at short notices, For further particulars address Cc. B, BROWN, Tyaa-t Placerville, Cal. Varney’s Patent Amalgamator. These Machines Stand Unrivaled. * For rapidity pulverizing and amalgamating ores, they have no equal. Noeffort hay been, or will ho spared, to havo thom constructed in the most perfect manner; and of the great numher now in operation, not one hus evor required repairs. The constant and increasing demand for them issnfitclent ovideuce of their merits. They are constructed so as to apply atcam directly Into tho pnlp, or with ateam bottoms, as desired, This Amalgamator Opsrates as Follows, The pan being Mled, the motion of the muller forcer the pulp to the center, whero it is drawn down through the apperture and between the grinding surfaces,— Thenee it isthrown to the periphery into the quicksilver. Tho curved plates again draw it to the center, whers it passes down, and to the circumference as before, Thne it isconstantly passing aregular flow hetween the grinding surfaces and {nto tho quicksliver, nntil the ore is reduced to an impalpahle powder, and thie metal amalgamated, 5 E Setlers made on the samo principle excel oll others They hring the pulp ao constantly and perfectly in contact with quicksilver, that the particles are rapidly and oompletely shsorbed, Mill-men are invited to examine these pans and getlers for themselves, at the office, 229 Fremont Street, San Francisco, NELSON & DOBLE, AGENTS FOR Thomas Firth & Sons’ Cast e N Steel. MANUFACTURERS OF Sledges, Hommera, Stone Cotters’, Bloek amithe’ ood Horae-Shoers’ Toota, 18 and 15 Fremont Ni ae Market, San Francia ar SIZTEET IRON PIPE. TELE Risdon Iron and Locomotive Works Corner Howard and Beale Streete, Are prepared to make SHEET IRON AND ASPHALTUM PIPE, of any size and for any pressure, and contract to lay the eame whore wantcd, guaranteeing o perfect working pipe with the least amount of material, All kinds of CAE WHEELS, AXLES and RAILROAD WORK made to order. Standard sizes of Wheels constantly on hand. Wheels bored and pressed on, Axles turned, etc., at Reasonable Rates, Wa All kinds of Machinery made and repaired. 24y22-3m JOSEPH MOORE, Superintendent, ’ J. M. STOCKMAN, Manufacturer of PATTERNS AND MODELS, (Over W. T. Oarratt’s Brass Foundry). N. W. corner Natoma and Fremont streets, 8.F, En BLAKE’S PATENT STEAM PUMP. From the Report of the Committce on Steam Pumps, at tho Seventb Industrial Exhibition of the Mechanics’ lustituto, San Praneisco : BLAKE'S STEAM PUMP,—Thia Pump ylelded the best roaulta as to tho quantity of water discharged as compared with ita measured capacity. The valven are of hrasa, and well arranged. The steam ynlvey aro well arranged for eperating the pumps, either fast or alow, Wo recominend that a Medal be awarded to lt, as THE BEST STEAM PUMP. [Awarded a Saver Mena, the first preminm.] (Siguod} JAS, SPIERS, J WM. H. BIRCH, From the Report of the Committeo on Steam Pamps, at tho Eighth (or last) Industrial Exhibition of the Mechanics’ Institute, San Francisco : BLAKE'S MINING PUMP,—This is an excelient Pump, well made, recomuiend a Diploma fur thix Pump. (Signed hy the Committeo.) . W. DICKIE, H. B. ANGEL, W. EPPELSHELMER, MELLVILLE ATWOOD. [No otber Steam Pnmp received other than a Diploma or honorablo montion at tho LAST Mechanies’ Exhibition, all other assertions to the contrary notwithstanding, Hooker's Hand Pump was the only Pump, of any kind whatsoever, that received a MEDAL ond FIRST PREMIUM (highest award to pumps) at the last Exhibition, for which wo are also selling agents.—See oficial Report of the above Committee. ] aud gives a high per cent. of duty. We CHAS. R. STEIOER, Tho trial of Steam Pnmps at tho Eighth loduetrial Fair in sin Fraucisco, by 3 committee of five of the most theroughly practical rnechanics on thls coast {as above uamed), siiowed that tho Blake Pump gave 86 per ecut. of utilized power, while others gavo hut 60 per cent., showiug great difference In ecouomy, The Blake Pump is the ONLY Steam Pump that EVER RECEIVED A SULVER MEDAL at any Exhibition of the Mechanics’ Institute eter held in San Francisco or California. ®7 A compicto stock of all sizes constanlly on hand at tho Machinery Warchouso of tho Agents, TREADWELL & CO., Market street, corner of Fremont, San Francisco, KNOWLES’ PATENT STEAM PUMP. Received 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. 12v3-awbp _ It has no Cranks or Fly-Wheol, and has no dead points where it will stop, consequently it is always ready to start without nsing a starting-bar, and does not require hand-work to get it ast ty center. Will always start when the steam cylinder is filled with cold water of conlensation. The trial of Steam Pumps at the Eighth Industrial Fair in San Francisco, by a Committee of Five of the most thoroughly practical mechanics on this coast, showed the owles Pump to lose but 1134 per cent., while others lost as high as 40‘per cent., showing great difference in economy. CENTRAL PACIFIC R. R., OFFICE OF THE OEN’L MASTER ae Sacramento, Cal,, April 14, 1871. ) A, L, FISH, Esq., Agent of the Knowles’ Steam Pump, San Francisco—Dear Sir:. In roply to yonr inquiry as to the merits of the Knowles’ Steam Pump, in use upon this road, I will any that we have nineteen of them in use on this road as fire engines, and pumping water for shop and station nse. I consider the Knowles Steam Pump the hest in nse, and prefer it to any other. Youratruly, A.J. STEVENS, Oeneral 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. BLAKE’S PATENT STEAM PUMP. From the Report of tho Committee on Steam Pumps, at the Seventh Industrial Exhibition of the Mechanics’ Institute, 88n Francisco BLAKE'S STEAM RUMP.—This Pump yielded the best results sa to the qnantity of water discharged as eonipared with its measured capacity. ‘Ihe yalves aro of hrass, aud well arranged, The steam valves are well arranged for operating the pumps, either fast or slow. We recommend that a Medul he awarded to it, as THE BEST STEAM PUMP. tho first premium.] (Signed) AS. SPIERS, WM. H. BIRCH, From the Report of the Committee on Steam Pumps, at the Eighth (or last) Industrial Exhihition of the Mechanics’ Institute, San Franciseo : 8v24-cow-bp {Awarded a BILVER Mepau, recommend a Diploma forthis Pump, (Signed hy the Comniittee.) , G W. DICKIE, H. B. ANGEL, W. EPPELSHEIMER, MELVILLE ATWOOD. [No other Steam Pnmp received other than a Diploma or honorable mention at the LAST Mechanics’ Exhidition, all other assertions to the contrary notwithstanding. Hooker’s Hand Pump was the only Pump of any kind whatsoever, that received a MEDAL and FIRST PREMIUM (highest award to pumps) at the last Exhihitfon, for which we are also selling agents.— See oficial Report of the above Committec.] The trial of Steam Pumps at the Eighth Industrial Fair in San Francisco, by 2 committee of five ofthe most thoroughly practical mechanics on this coast (as above named), showed that the Blake Pump gavo 86 per cent. of utilized power, while othors gavo hut 60 per cent., showing great difference in economy. The Blake Pump is the ONLY Steam Pump that # VER RECEIVED A SILVER MEDAL at any Exhibition of the Mechanics’ Institute ever held in San Francisco or California, wa A complete stock of all sizes constantly on hand at the Machinery Warehouse of the Agents, READWELL & CO., CHAS. R, STEIGER, trance on Natoma street, §y23-3m, ae Market Street, corner of Fremont, San Francisco, BLAKE'S MINING PUMP.—This is an excellent Pump, well made, and gives a high per cent. of duty. We), Metallurgy and Ores. RODGERS, MEYER & Co., COMMISSION MERCHANTS, ADVANCES MADE Ono all kinds of Ores, and partienlar attentior PAID TO CONBSIGNMENTA OF GOODS, é¥16-Sm LOUIS FALKENAU, STATE ASSAYER, Analytical and Consulting Chemist, 421 Moatgomery St, op ataira. Partlenlar attentlon given to the Analyris of Orea Minersis, Metallurgical Produdts, Mineral Waters, Solis, Commercial Articlea, Etc. One or two pnpils can reecelve theoretical and practical Inatructiou in Agsaying, Analysis, er any particula: braneh of Chemistry at the iaboratury. 1lvy21-3m LEOPOLD KUH, (Formerly ef the U. 8. Branch Mint, 8. F.) Assayer and Metallurgica! CHEMIST, No. 611 Commercial Atreet, (Opposito the U.8, Branch Mint, Ban FRanciaco, Cab. Tv21-3n. NEVADA METALLURGICAL WORKS. 19 and 21 First at., in Golden State Foundry. RIOTTE & LUCKHARDT. Orea Crushed, Sawpled und Asmyed. Having sdded Pans, Assay office and Chlorination Apparatns to onr estuhlishment, we ars now prepured to make working tests hy any preccss, assay ores and products, Returns guarranteced, Answers to all metallurieal quos tions given. 26v21-3n1 ‘ J. W. THURMAN, (Successor to 8, W. Howland & Co.) . ; ORE CRUSHERS AND SAMPLERS, Nos. 413 and 415 Mieeion Street, i SAN FRANCISCO, . Particular attention paid to Ores received on constgnment ALL ORDERS EXECUTED AT THE BHORTEST NOTICE. Sv2-6in CALIFORNIA ASSAY’ OFFICE No. 512 CALIFORNIA STREET, One Door West of Montgotnery..-.54N FRANCIECO. J. A. MARS, Aeeayer. ag Analysis of Orea, Mineral Waters, eto, 1Ov2e 0. W. STRONO, W. L, BIUONG G. W. STRONG & CO., Metallurgical Works, No, 10 Stevenson Street, near First, San Franorsco We purchase Ores, Bullion, eto, Ores worked anid Tests made with care, Also, Assays of Gold, Sllver, Copper, Lead, Tin and other Metals. tive! PLATINUM . Vesssls, Apparatus, Shast, Wire, Etc., Etc. For ail Laboratory and Manufacturing Purposes M RAYNOR, 95 Bond street, New York. Platinum Scrap and Ore prrebased. v2vi8 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 stréet, SAN FRANCISCO, We would call the special attention of Asrayers, Chemists, Minlng Companies, Milling Companies, Prospectors, etc., to our large and well adapted stock of . ASSAYERS’ MATERIALS a —aNo— Chemical Apparatus, Having been engaged in furnishing these suppiies since the first discovery of mines on the Pacific Coast, WE ENUMERATE 1N PART: Asssy Balances—L. Oertlings, London. Assay Balances—Becker & Sons, Antwerp. Chemical Balances—Becker & Sons, Antwerp. Ore or Pulp Balancese—Becker & Sons, Antwerp. Assay Weights—Orains and Orammes. Bullion Balances and Weights, Humid Assay Apparatus. : fron Furnaces—Improved, Llncd wlth Fire Brick for Cupelling and Melting. /Tongs, Muffies, Cupel Moulds, Assay Monlds, Scorifi. ers, Roasting Dishes, Annealing Cups, French Clay, . Assay Crucihles, Hessian ‘or Sand) Crucihles, Dixon‘a Celebrated Black Lead Crucihles aud Oovers— ‘all sizes. Assayers’ and Chemical Olassware and Assaycrs’ Hard. ' yare—a full assortment. ‘Steel Stamps for hais cut to order. } ACIDS AND CHEMICALS. 4 “Acid in carboys and hottles, commercially and chemi caliy pnre. Bl Carh. Soda, Borax, Bone Ashes, Litharge. Assay Lead in hars, rolled and granulated. Black Oxide Manganese, Sodium and Sodium Amalgam, Snlphate of Copper, Quicksilver, and all Ohemieals and Reagents required hy Assayers and Milling Co.'s. f@Our Oold and Silver Tables, showing the valuo per ounee Troy at different degrees of fineness, and valnehle tables for computation of assays in Greius and Orammes, will be sent upon application. 24y23-tf JOHN TAYLOR & CO,

April 27, 1872.] SCIENTIFIC PRESS. 271 Notice is hereby given, that the copartnerahip heretof existing bet A.J. Severance; Charles W. Randall and J. hus. Burt, noder the frm name of “ Severance, Holt & Co.,” is this day diseolved by mntual consent. A.J. Severance, having purchased all the interest of hia late partnerw, will ceutiuue the business of manufactoring and selling Diamend Drills, as hefore, under the styie of A. J. Scverauce & Co, Dated San Francisco, Nov. 2¢, 1871. * Office, 315 Caiifornia atreet. A. J. SEVERANCE, CHAS. H. RANDALL. Phw2-tf J. GUS. BURT. ‘WM. M. BETTS & BROTHER, CARRIAGE SPRING WORKS, 218 Fremont atreet, bet, Howard and Folsom, SAN FRANCISCO, LOcOo MO TiveT, CAR, * And all kinds of Carriage and Wagon Springs made te rier apd Warranted. 3v2i3m CALDWELIS Improved Stop Governor, Manufactured at the CYCLOPS MACHINE WORKS, 113 and 116 Beale street, San Francisco, Sv24-3m WH. CALDWELL. BROWN'S PATENT LAMP. tw SLUIIC FO LAMI*, SyNvIpL. _T pus PATENT ‘SULIV(O Bsuyuyye BROWNS One of thesc Lamps, when placed at a distanco of 200 feet from the hank, will light np a hank surface 260 feet in length and 100 feet high, and toa munch botter advantage than any other light heretofore tried, and ut an expense not to exceed five cents per hour, Lamps furnixhed at short notices, For further particulars address Cc. B, BROWN, Tyaa-t Placerville, Cal. Varney’s Patent Amalgamator. These Machines Stand Unrivaled. * For rapidity pulverizing and amalgamating ores, they have no equal. Noeffort hay been, or will ho spared, to havo thom constructed in the most perfect manner; and of the great numher now in operation, not one hus evor required repairs. The constant and increasing demand for them issnfitclent ovideuce of their merits. They are constructed so as to apply atcam directly Into tho pnlp, or with ateam bottoms, as desired, This Amalgamator Opsrates as Follows, The pan being Mled, the motion of the muller forcer the pulp to the center, whero it is drawn down through the apperture and between the grinding surfaces,— Thenee it isthrown to the periphery into the quicksilver. Tho curved plates again draw it to the center, whers it passes down, and to the circumference as before, Thne it isconstantly passing aregular flow hetween the grinding surfaces and {nto tho quicksliver, nntil the ore is reduced to an impalpahle powder, and thie metal amalgamated, 5 E Setlers made on the samo principle excel oll others They hring the pulp ao constantly and perfectly in contact with quicksilver, that the particles are rapidly and oompletely shsorbed, Mill-men are invited to examine these pans and getlers for themselves, at the office, 229 Fremont Street, San Francisco, NELSON & DOBLE, AGENTS FOR Thomas Firth & Sons’ Cast e N Steel. MANUFACTURERS OF Sledges, Hommera, Stone Cotters’, Bloek amithe’ ood Horae-Shoers’ Toota, 18 and 15 Fremont Ni ae Market, San Francia ar SIZTEET IRON PIPE. TELE Risdon Iron and Locomotive Works Corner Howard and Beale Streete, Are prepared to make SHEET IRON AND ASPHALTUM PIPE, of any size and for any pressure, and contract to lay the eame whore wantcd, guaranteeing o perfect working pipe with the least amount of material, All kinds of CAE WHEELS, AXLES and RAILROAD WORK made to order. Standard sizes of Wheels constantly on hand. Wheels bored and pressed on, Axles turned, etc., at Reasonable Rates, Wa All kinds of Machinery made and repaired. 24y22-3m JOSEPH MOORE, Superintendent, ’ J. M. STOCKMAN, Manufacturer of PATTERNS AND MODELS, (Over W. T. Oarratt’s Brass Foundry). N. W. corner Natoma and Fremont streets, 8.F, En BLAKE’S PATENT STEAM PUMP. From the Report of the Committce on Steam Pumps, at tho Seventb Industrial Exhibition of the Mechanics’ lustituto, San Praneisco : BLAKE'S STEAM PUMP,—Thia Pump ylelded the best roaulta as to tho quantity of water discharged as compared with ita measured capacity. The valven are of hrasa, and well arranged. The steam ynlvey aro well arranged for eperating the pumps, either fast or alow, Wo recominend that a Medal be awarded to lt, as THE BEST STEAM PUMP. [Awarded a Saver Mena, the first preminm.] (Siguod} JAS, SPIERS, J WM. H. BIRCH, From the Report of the Committeo on Steam Pamps, at tho Eighth (or last) Industrial Exhibition of the Mechanics’ Institute, San Francisco : BLAKE'S MINING PUMP,—This is an excelient Pump, well made, recomuiend a Diploma fur thix Pump. (Signed hy the Committeo.) . W. DICKIE, H. B. ANGEL, W. EPPELSHELMER, MELLVILLE ATWOOD. [No otber Steam Pnmp received other than a Diploma or honorablo montion at tho LAST Mechanies’ Exhibition, all other assertions to the contrary notwithstanding, Hooker's Hand Pump was the only Pump, of any kind whatsoever, that received a MEDAL ond FIRST PREMIUM (highest award to pumps) at the last Exhibition, for which wo are also selling agents.—See oficial Report of the above Committee. ] aud gives a high per cent. of duty. We CHAS. R. STEIOER, Tho trial of Steam Pnmps at tho Eighth loduetrial Fair in sin Fraucisco, by 3 committee of five of the most theroughly practical rnechanics on thls coast {as above uamed), siiowed that tho Blake Pump gave 86 per ecut. of utilized power, while others gavo hut 60 per cent., showiug great difference In ecouomy, The Blake Pump is the ONLY Steam Pump that EVER RECEIVED A SULVER MEDAL at any Exhibition of the Mechanics’ Institute eter held in San Francisco or California. ®7 A compicto stock of all sizes constanlly on hand at tho Machinery Warchouso of tho Agents, TREADWELL & CO., Market street, corner of Fremont, San Francisco, KNOWLES’ PATENT STEAM PUMP. Received 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. 12v3-awbp _ It has no Cranks or Fly-Wheol, and has no dead points where it will stop, consequently it is always ready to start without nsing a starting-bar, and does not require hand-work to get it ast ty center. Will always start when the steam cylinder is filled with cold water of conlensation. The trial of Steam Pumps at the Eighth Industrial Fair in San Francisco, by a Committee of Five of the most thoroughly practical mechanics on this coast, showed the owles Pump to lose but 1134 per cent., while others lost as high as 40‘per cent., showing great difference in economy. CENTRAL PACIFIC R. R., OFFICE OF THE OEN’L MASTER ae Sacramento, Cal,, April 14, 1871. ) A, L, FISH, Esq., Agent of the Knowles’ Steam Pump, San Francisco—Dear Sir:. In roply to yonr inquiry as to the merits of the Knowles’ Steam Pump, in use upon this road, I will any that we have nineteen of them in use on this road as fire engines, and pumping water for shop and station nse. I consider the Knowles Steam

Pump the hest in nse, and prefer it to any other. Youratruly, A.J. STEVENS, Oeneral 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. BLAKE’S PATENT STEAM PUMP. From the Report of tho Committee on Steam Pumps, at the Seventh Industrial Exhibition of the Mechanics’ Institute, 88n Francisco BLAKE'S STEAM RUMP.—This Pump yielded the best results sa to the qnantity of water discharged as eonipared with its measured capacity. ‘Ihe yalves aro of hrass, aud well arranged, The steam valves are well arranged for operating the pumps, either fast or slow. We recommend that a Medul he awarded to it, as THE BEST STEAM PUMP. tho first premium.] (Signed) AS. SPIERS, WM. H. BIRCH, From the Report of the Committee on Steam Pumps, at the Eighth (or last) Industrial Exhihition of the Mechanics’ Institute, San Franciseo : 8v24-cow-bp {Awarded a BILVER Mepau, recommend a Diploma forthis Pump, (Signed hy the Comniittee.) , G W. DICKIE, H. B. ANGEL, W. EPPELSHEIMER, MELVILLE ATWOOD. [No other Steam Pnmp received other than a Diploma or honorable mention at the LAST Mechanics’ Exhidition, all other assertions to the contrary notwithstanding. Hooker’s Hand Pump was the only Pump of any kind whatsoever, that received a MEDAL and FIRST PREMIUM (highest award to pumps) at the last Exhihitfon, for which we are also selling agents.— See oficial Report of the above Committec.] The trial of Steam Pumps at the Eighth Industrial Fair in San Francisco, by 2 committee of five ofthe most thoroughly practical mechanics on this coast (as above named), showed that the Blake Pump gavo 86 per cent. of utilized power, while othors gavo hut 60 per cent., showing great difference in economy. The Blake Pump is the ONLY Steam Pump that # VER RECEIVED A SILVER MEDAL at any Exhibition of the Mechanics’ Institute ever held in San Francisco or California, wa A complete stock of all sizes constantly on hand at the Machinery Warehouse of the Agents, READWELL & CO., CHAS. R, STEIGER, trance on Natoma street, §y23-3m, ae Market Street, corner of Fremont, San Francisco, BLAKE'S MINING PUMP.—This is an excellent Pump, well made, and gives a high per cent. of duty. We), Metallurgy and Ores. RODGERS, MEYER & Co., COMMISSION MERCHANTS, ADVANCES MADE Ono all kinds of Ores, and partienlar attentior PAID TO CONBSIGNMENTA OF GOODS, é¥16-Sm LOUIS FALKENAU, STATE ASSAYER, Analytical and Consulting Chemist, 421 Moatgomery St, op ataira. Partlenlar attentlon given to the Analyris of Orea Minersis, Metallurgical Produdts, Mineral Waters, Solis, Commercial Articlea, Etc. One or two pnpils can reecelve theoretical and practical Inatructiou in Agsaying, Analysis, er any particula: braneh of Chemistry at the iaboratury. 1lvy21-3m LEOPOLD KUH, (Formerly ef the U. 8. Branch Mint, 8. F.) Assayer and Metallurgica! CHEMIST, No. 611 Commercial Atreet, (Opposito the U.8, Branch Mint, Ban FRanciaco, Cab. Tv21-3n. NEVADA METALLURGICAL WORKS. 19 and 21 First at., in Golden State Foundry. RIOTTE & LUCKHARDT. Orea Crushed, Sawpled und Asmyed. Having sdded Pans, Assay office and Chlorination Apparatns to onr estuhlishment, we ars now prepured to make working tests hy any preccss, assay ores and products, Returns guarranteced, Answers to all metallurieal quos tions given. 26v21-3n1 ‘ J. W. THURMAN, (Successor to 8, W. Howland & Co.) . ; ORE CRUSHERS AND SAMPLERS, Nos. 413 and 415 Mieeion Street, i SAN FRANCISCO, . Particular attention paid to Ores received on constgnment ALL ORDERS EXECUTED AT THE BHORTEST NOTICE. Sv2-6in CALIFORNIA ASSAY’ OFFICE No. 512 CALIFORNIA STREET, One Door West of Montgotnery....-.54N FRANCIECO. J. A. MARS, Aeeayer. ag Analysis of Orea, Mineral Waters, eto, 1Ov2e 0. W. STRONO, W. L, BIUONG G. W. STRONG & CO., Metallurgical Works, No, 10 Stevenson Street, near First, San Franorsco We purchase Ores, Bullion, eto, Ores worked anid Tests made with care, Also, Assays of Gold, Sllver, Copper, Lead, Tin and other Metals. tive! PLATINUM . Vesssls, Apparatus, Shast, Wire, Etc., Etc. For ail Laboratory and Manufacturing Purposes M RAYNOR, 95 Bond street, New York. Platinum Scrap and Ore prrebased. v2vi8 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 stréet, SAN FRANCISCO, We would call the special attention of Asrayers, Chemists, Minlng Companies, Milling Companies, Prospectors, etc., to our large and well adapted stock of . ASSAYERS’ MATERIALS a —aNo— Chemical Apparatus, Having been engaged in furnishing these suppiies since the first discovery of mines on the Pacific Coast, WE ENUMERATE 1N PART: Asssy Balances—L. Oertlings, London. Assay Balances—Becker & Sons, Antwerp. Chemical Balances—Becker & Sons, Antwerp. Ore or Pulp Balancese—Becker & Sons, Antwerp. Assay Weights—Orains and Orammes. Bullion Balances and Weights, Humid Assay Apparatus. : fron Furnaces—Improved, Llncd wlth Fire Brick for Cupelling and Melting. /Tongs, Muffies, Cupel Moulds, Assay Monlds, Scorifi. ers, Roasting Dishes, Annealing Cups, French Clay, . Assay Crucihles, Hessian ‘or Sand) Crucihles, Dixon‘a Celebrated Black Lead Crucihles aud Oovers— ‘all sizes. Assayers’ and Chemical Olassware and Assaycrs’ Hard. ' yare—a full assortment. ‘Steel Stamps for hais cut to order. } ACIDS AND CHEMICALS. 4 “Acid in carboys and hottles, commercially and chemi caliy pnre. Bl Carh. Soda, Borax, Bone Ashes, Litharge. Assay Lead in hars, rolled and granulated. Black Oxide Manganese, Sodium and Sodium Amalgam, Snlphate of Copper, Quicksilver, and all Ohemieals and Reagents required hy Assayers and Milling Co.'s. f@Our Oold and Silver Tables, showing the valuo per ounee Troy at different degrees of fineness, and valnehle tables for computation of assays in Greius and Orammes, will be sent upon application. 24y23-tf JOHN TAYLOR & CO,