Volume 23 (1871) (426 pages)

2 SCIENTIFIC PRESS. (August 19, 1873. Designing and Engraving At this Office. To Inventors in the Pacific States. The best, speediest, and surest method for you to obtain patents, file caveats, or transact any other important business with the Patent Office at Washingtom or with foreign countries, is through the agency of DEWEY & CO., PUBLISHERS OF THE SCIENTIFIC PRESS, SAN FRANCISCO, an able, responsible, and long-established firm, and the principal agents on this side of the continent. ‘They refer to the thousands of inveutors who chave patronized them, and to all prominent ‘business men of the Pacific Coast, who are more or less familiar with their reputaion as ‘straightforward journalists and patent solicit‘ors and counsellors. . ‘We not ouly more readily apprehend the points and secure much more fully and quickly the patents for our home inventors, but with the influence of our carefully read and extensively circulated journals, we are enabled to illustrate the intrinsic merits of their patents, and secure a due reward to the inveutor, besides ‘serving the public who are more ready to give a fair trial, and adopt a good thing, upon ‘the recommendation of honest and intelligent publishers. @ To Obtain a Patent, 4A well-constructed model is generally first needed, if the iuveutiou cau well be illustrated. It must not exceed 12 iuches in leugth or height. Wheupracticable, a smaller model is even more desirable. Paint or engrave the name of the article, and the name of the inveutor, and his address upon it. Send the model (by express or other reliable conveyance), plainly addressed, to “Drewry & Co., Screnriric Press Orrice San FRancisco.” At the same time, scnd a full descriptiou, embodying all the ideas and claims of the inventor respecting the improvement, describing the various parts and their opera8, Also send $15 curreucy, amouut of first fee of the Government. The case will he placed on our reyular file, the drawings executed, and the documents made up, and soon sent to the duventor for signing. As soon as signed and returued to us with the fees then due ns, it will he sent straightway to the Patent Office at Washngton. When the invention consists of a new article of mauufacture, a medicine, or a new composition, samples of the separated ingredieuts, sufficieut to make the experiment (unless they are of acommon and well-known character), and also of the manufactured article itself,must be furnished, with full description of the entire preparatiou. For Processes, frequently no model or drawings are necessary. In such case, the applicant has only to send ns an exact description, and what is desirable to claim. For designs no models are necessary. Duplicate drawings are required, and the specificatious and other papers should be made up with care and accuracy. Insomeinstances for design patents two photographs, with the negative, answer well instead of drawings. We do not requirethe personal attendance of the inventor, unless the invention is one of grent complication. Usually the business cau be well done by correspondence. For filiug a caveat, which affords the inventor protection for oue year, we only require a rough sketch, and a clear desciption of the iuveution, Tt_ will cost inventors less to have their husiuess thoroughly and speedily done through our agency than to patronize less ahle and responsible agents. . For further information, send a stamp for our illustrated circular, containing a digest of Pavent Laws 112 illustrated mechanical movements and Hints and mnstrucrions regardiug the R1GHTS and PRIVILEGES of iuventors and patentees, which will be furnished post paid. Also a copy of NEW PATENT LAWS of 1870. DEWEY & Co., United Statos and Foreign Patent Agents, publishers Scientific Press and the Pacific Rural Press, San Fraucisco. ACTIVE MEN! With Experience in CanvassIng husiness, can now obtain lucrative and permanent employment by DEWEY & CO., Patent Agents and Publishers of the SCIENTIFIC PRESS and the PACIFIO RURAL PRESS, No. 414 Clay street, 5. I’. Complete Volumes of the Scientific Press from January, 1864, can be had at this office at $3 per volume: Bound iu cloth, $5. A limited numher only on hand, THE SELDEN PUMP. ' PATENTED Aug. 2, 1870. Dec. 20, 1870. Combines Simplicity and Durability to a Remarkable Degree. Its parts are easy of access, and it is adapted to all purposes for which Pumps are used— especially Mining. Full description in Scientific Press of August, 1871. Catalogues sent on application. A. CARR, 43 Cortlandt Street, New York. AGENT Wanten for Pacific Slope. 7v23-ly-eow THE GIANT POWDER COMPANY Are now manufacturlng beaides the famoua regnlar GIANT POWDER, A NO. 2 GIANT POWDER, Somewhat slower in its Explosion, which we recommend for BLANK BLASTING, COAL MINES, AND FOR ALL SUCH WORK WHERE THE ROCK IS NOT VERY HARD It is fully ab safe as the other andevolvea neither smoke nor noxioua fumes when exploded. Price. 50 Cents per Found. The sales of both grades Increase very fast, which 1s the best proof of thelr superiority over other explosives. 20v22-3mi6p BANDMANN, NEILSEN & CO., General Agenta, No, 210 Front Street. The Largest and Best in America. The Scientific Press, Established in 1860, is now the Largest, Most Original, Best Illustrated and most Ahly and Carefully Edited Practical Mining Journal on the Western Contiuent. Its contents are made up of fresh intelligence in a condensed and interesting style, easily appropriated by the reader, who finds its columns replete with new facts and ideas not obtainable in the books of the past or in any one other of the journals of the day. Varied in its carefully compiled and conveniently arranged departments, representing the special and leading industries of the Pacific States—Mining, Mechanism, Manufacturing, Building, Improvements and Inventious—it becomes a weekly informant to all Scieutific, Mechanical, Manufacturing and Tudusirial Progressionists on the coast, an immense list of whom testify to its pleasant, profitable and elevating influence. ; The progress of our journal has been steady and unvarying. Encouraged by a liberal class of readers who exhibit their appreciation in a suhstantial way, we shall, with our increasing facilities, experience and information, make each comiug issuo superior to its predecessor. Let every friend of Science and Industry on this side of the continent take pride, not only in sustaining, but accelerating the advancement of a faithful representative of its highest interests by subscribing for it and urging its patron‘ge by others—now, without delay. Subscription $4 per annum, iu advance. Address DEWEY & 00, Publishers and Patent Agents, 414 Clay St., S.F BAIRD’S FOR PRACTICAL MEN. My new revised und enlarged Cutulogue uf PRACTICAL AND SCIENTIFIC BUOKS, compicte to April 15, 1871, 94 pages, 8 vo., will be sent, free of postage, toany one who will favor me with his address. HENRY CAREY BAIRD, Industrial Publisher, 406 Walnut St., Philadelphia. 0. J. KING, B. KIMBALL, P, D. OCDE. P. D. CODE & CO., MANUFACTURERS OF JELLIES, JAMS, PRESERVES, PICKLES, KETCHUP, SAUCES, Canned Fruits and Vegetables of superior quality. G21 nnd 623 Front Street, Between Jackson and Pacific, San Francisco, [l6p Hubbard, Lippincott, Bakewell & Co. MANUFACTURERS. J, E, Emerson’s New Patent Flange Toothed Circular Saws, are auperceding all others, Crosby’a Patent Gang Saw Buckle; Zippencott & Tullle's Patent Crosa Out Saws; Davis' Patent Double Cut Gang Saws (cuts hoth ways); and all of the cele. brated brands of SAWS formerly manufactured by hoth Hupsarp Bro. & Co. and Lirpencort & Co. Also, SHOVELS, AXES AND SPADES. All orders from the Pacific Coast will receive special atteution and be forwarded with dispatch. eae exteusive facilities enahle ua to furniab our Good+ at the Lowest Market Prices, And sl) Warranted of SUPERIOR QUALITY, RF For Descriptive Catalogue and Price Lists address HUBBARD, LIPPENCOTT, BAKEWELL & CO., mall-16p-tf Pittshurgb, Pa, PPL Sa Goan Cy Cui Uisell LI50 000 tA ADODAAMP ECE, 3, HUNT, A, J. RALSTON, President, Secretary WM. ALVORD, A. BAIRD, Vice-President. Marine Secretary. DEACON & CO., MACHINE WORTS, West side of Main Street, Between Mission and Howard..... San Francisco. ALL KINDA OF STEAMBOAT WORK, JOBBING AND REPAIRING DONE PROMPTLY. Steam Engines, Pumps, and Mill Work. 728-3, W. T. GARRATT & CO. c1igTy A Brass ahd Bell Founder, Corner Mission and Fremont Streets, MANUFAOTURERS OF Brass, Zinoand Anti-Friction or Babbet Motal CASTINGS, Church and Steamboat Bells, TAVERN AND HAND BELLS, GONGS, FIRE ENGINES, FORCE AND LIFT PUMPS. Steam, Liquor, Soda, Oll, Water and Flange Cocks, and Valves of all descriptions, made and repaired, Hose and ali other Joints, Spelter, Solder and Copper Rlvets, etc. Gauge Cocka, Cylinder Cocks, Oi) Globes, Steam Whistlea. HYDRAULIC PIPES AND NOZZLES for mining purposes. Iron Steam Pipe furniahed with Fittings, ete. Coupling Jointa of allaizes, Particular attention pald to Distillery Work, Manufac. turer of ‘‘Garratt’a Patent Improved Journal Metal.” R@Highest Market Price pnid for OLD BELLS, COPPER and BRASS, 6-tf W. T. GARRATT, JAMEAa HILLMAN, W.T. LITTLE, N. W. SPAULDING, Saw Smithing and Repairing ESTABLISHMENT. Nos. 17 and 19 Fremont Street, near Market, MANUFACTURER OF SPAULDIN G’?S Patent Tooth Circular Saws. They haye proved to be the most durable and economical Sawa in the World, Each faw is Warranted in every respect: Particular attention paid to construction of Portable & Stationary Saw Mills, MILLS FURNISHED AT SHORT NOTICE At the lowest Market Prices. H. ROYER, Manufacturer of LEATHER BELTING AND LACING, Mabe OF Futtrn Rawnipe, Factory, South Park Milla, Brannan street, bet. Third and Fourth, San Francisco, aa Pacifie Sow Monufnetaring Co. are Sole Agents for H, Rosyer’s Locing Leathers, ig For E vont Tare eltin & Boilers For sale hy BERRY & PLACE, Machinery Depot; 112 California street, San Francisco. = a oS og #8 ay op a) “3 & fy t For sale by Berry & Placo,{Machinery Depot, 112 Cal. st. 8. F, eltin For sale hy Berry & Place, Machinery Depot, 112Cal. St., 5. F. ‘easy WERS lor Pressy Ie vee a at, SF PATENT. TMORSE’S BOILER TUBE — CLEANER, Forsale by Berry & Placo, Machinery Depot, 112 Cal. st ,S. V Blake’s Patent = PUMPS For sale hy Berry & Place, Machinery Depot, 112Cal. st., S, F. MAGAZINES. P, An, W. E. LOOMIS, $4 00 News Dealer Godey. New York Ledger, AND STATIONER, Blackwood.. Hours et Hom 3, E. corner of Sansome and Seed eke 3700 Washington streeta, SUPPLIEA ALL 5 00 : Eastern Perodicals, 16 00 BY THE 15 00. §¥ear, Month, or Number, ound.. London Ill, Newa...

2 SCIENTIFIC PRESS. (August 19, 1873. Designing and Engraving At this Office. To Inventors in the Pacific States. The best, speediest, and surest method for you to obtain patents, file caveats, or transact any other important business with the Patent Office at Washingtom or with foreign countries, is through the agency of DEWEY & CO., PUBLISHERS OF THE SCIENTIFIC PRESS, SAN FRANCISCO, an able, responsible, and long-established firm, and the principal agents on this side of the continent. ‘They refer to the thousands of inveutors who chave patronized them, and to all prominent ‘business men of the Pacific Coast, who are more or less familiar with their reputaion as ‘straightforward journalists and patent solicit‘ors and counsellors. . ‘We not ouly more readily apprehend the points and secure much more fully and quickly the patents for our home inventors, but with the influence of our carefully read and extensively circulated journals, we are enabled to illustrate the intrinsic merits of their patents, and secure a due reward to the inveutor, besides ‘serving the public who are more ready to give a fair trial, and adopt a good thing, upon ‘the recommendation of honest and intelligent publishers. @ To Obtain a Patent, 4A well-constructed model is generally first needed, if the iuveutiou cau well be illustrated. It must not exceed 12 iuches in leugth or height. Wheupracticable, a smaller model is even more desirable. Paint or engrave the name of the article, and the name of the inveutor, and his address upon it. Send the model (by express or other reliable conveyance), plainly addressed, to “Drewry & Co., Screnriric Press Orrice San FRancisco.” At the same time, scnd a full descriptiou, embodying all the ideas and claims of the inventor respecting the improvement, describing the various parts and their opera8, Also send $15 curreucy, amouut of first fee of the Government. The case will he placed on our reyular file, the drawings executed, and the documents made up, and soon sent to the duventor for signing. As soon as signed and returued to us with the fees then due ns, it will he sent straightway to the Patent Office at Washngton. When the invention consists of a new article of mauufacture, a medicine, or a new composition, samples of the separated ingredieuts, sufficieut to make the experiment (unless they are of acommon and well-known character), and also of the manufactured article itself,must be furnished, with full description of the entire preparatiou. For Processes, frequently no model or drawings are necessary. In such case, the applicant has only to send ns an exact description, and what is desirable to claim. For designs no models are necessary. Duplicate drawings are required, and the specificatious and other papers should be made up with care and accuracy. Insomeinstances for design patents two photographs, with the negative, answer well instead of drawings. We do not requirethe personal attendance of the inventor, unless the invention is one of grent complication. Usually the business cau be well done by correspondence. For filiug a caveat, which affords the inventor protection for oue year, we only require a rough sketch, and a clear desciption of the iuveution, Tt_ will cost inventors less to have their husiuess thoroughly and speedily done through our agency than to patronize less ahle and responsible agents. . For further information, send a stamp for our illustrated circular, containing a digest of Pavent Laws 112 illustrated mechanical movements and Hints and mnstrucrions regardiug the R1GHTS and PRIVILEGES of iuventors and patentees, which will be furnished post paid. Also a copy of NEW PATENT LAWS of 1870. DEWEY & Co., United Statos and Foreign Patent Agents, publishers Scientific Press and the Pacific Rural Press, San Fraucisco. ACTIVE MEN! With Experience in CanvassIng husiness, can now obtain lucrative and permanent employment by DEWEY & CO., Patent Agents and Publishers of the SCIENTIFIC PRESS and the PACIFIO RURAL PRESS, No. 414 Clay street, 5. I’. Complete Volumes of the Scientific Press from January, 1864, can be had at this office at $3 per volume: Bound iu cloth, $5. A limited numher only on hand, THE SELDEN PUMP. ' PATENTED Aug. 2, 1870. Dec. 20, 1870. Combines Simplicity and Durability to a Remarkable Degree. Its parts are easy of access, and it is adapted to all purposes for which Pumps are used— especially Mining. Full description in Scientific Press of August, 1871. Catalogues sent on application. A. CARR, 43 Cortlandt Street, New York. AGENT Wanten for Pacific Slope. 7v23-ly-eow THE GIANT POWDER COMPANY Are now manufacturlng beaides the famoua regnlar GIANT POWDER, A NO. 2 GIANT POWDER, Somewhat slower in its Explosion, which we recommend for BLANK BLASTING, COAL MINES, AND FOR ALL SUCH WORK WHERE THE ROCK IS NOT VERY HARD It is fully ab safe as the other andevolvea neither smoke nor noxioua fumes when exploded. Price. 50 Cents per Found. The sales of both grades Increase very fast, which 1s the best proof of thelr superiority over other explosives. 20v22-3mi6p BANDMANN, NEILSEN & CO., General Agenta, No, 210 Front Street. The Largest and Best in America. The Scientific Press, Established in 1860, is now the Largest, Most Original, Best Illustrated and most Ahly and Carefully Edited Practical Mining Journal on the Western Contiuent. Its contents are made up of fresh intelligence in a condensed and interesting style, easily appropriated by the reader, who finds its columns replete with new facts and ideas not obtainable in the books of the past or in any one other of the journals of the day. Varied in its carefully compiled and conveniently arranged departments, representing the special and leading industries of the Pacific States—Mining, Mechanism, Manufacturing, Building, Improvements and Inventious—it becomes a weekly informant to all Scieutific, Mechanical, Manufacturing and Tudusirial Progressionists on the coast, an immense list of whom testify to its pleasant, profitable and elevating influence. ; The progress of our journal has been steady and unvarying. Encouraged by a liberal class of readers who exhibit their appreciation in a suhstantial way, we shall, with our increasing facilities, experience and information, make each comiug issuo superior to its predecessor. Let every friend of Science and Industry on

this side of the continent take pride, not only in sustaining, but accelerating the advancement of a faithful representative of its highest interests by subscribing for it and urging its patron‘ge by others—now, without delay. Subscription $4 per annum, iu advance. Address DEWEY & 00, Publishers and Patent Agents, 414 Clay St., S.F BAIRD’S FOR PRACTICAL MEN. My new revised und enlarged Cutulogue uf PRACTICAL AND SCIENTIFIC BUOKS, compicte to April 15, 1871, 94 pages, 8 vo., will be sent, free of postage, toany one who will favor me with his address. HENRY CAREY BAIRD, Industrial Publisher, 406 Walnut St., Philadelphia. 0. J. KING, B. KIMBALL, P, D. OCDE. P. D. CODE & CO., MANUFACTURERS OF JELLIES, JAMS, PRESERVES, PICKLES, KETCHUP, SAUCES, Canned Fruits and Vegetables of superior quality. G21 nnd 623 Front Street, Between Jackson and Pacific, San Francisco, [l6p Hubbard, Lippincott, Bakewell & Co.. MANUFACTURERS. J, E, Emerson’s New Patent Flange Toothed Circular Saws, are auperceding all others, Crosby’a Patent Gang Saw Buckle; Zippencott & Tullle's Patent Crosa Out Saws; Davis' Patent Double Cut Gang Saws (cuts hoth ways); and all of the cele. brated brands of SAWS formerly manufactured by hoth Hupsarp Bro. & Co. and Lirpencort & Co. Also, SHOVELS, AXES AND SPADES. All orders from the Pacific Coast will receive special atteution and be forwarded with dispatch. eae exteusive facilities enahle ua to furniab our Good+ at the Lowest Market Prices, And sl) Warranted of SUPERIOR QUALITY, RF For Descriptive Catalogue and Price Lists address HUBBARD, LIPPENCOTT, BAKEWELL & CO., mall-16p-tf Pittshurgb, Pa, PPL Sa Goan Cy Cui Uisell LI50 000 tA ADODAAMP ECE, 3, HUNT, A, J. RALSTON, President, Secretary WM. ALVORD, A. BAIRD, Vice-President. Marine Secretary. DEACON & CO., MACHINE WORTS, West side of Main Street, Between Mission and Howard.......... San Francisco. ALL KINDA OF STEAMBOAT WORK, JOBBING AND REPAIRING DONE PROMPTLY. Steam Engines, Pumps, and Mill Work. 728-3, W. T. GARRATT & CO. c1igTy A Brass ahd Bell Founder, Corner Mission and Fremont Streets, MANUFAOTURERS OF Brass, Zinoand Anti-Friction or Babbet Motal CASTINGS, Church and Steamboat Bells, TAVERN AND HAND BELLS, GONGS, FIRE ENGINES, FORCE AND LIFT PUMPS. Steam, Liquor, Soda, Oll, Water and Flange Cocks, and Valves of all descriptions, made and repaired, Hose and ali other Joints, Spelter, Solder and Copper Rlvets, etc. Gauge Cocka, Cylinder Cocks, Oi) Globes, Steam Whistlea. HYDRAULIC PIPES AND NOZZLES for mining purposes. Iron Steam Pipe furniahed with Fittings, ete. Coupling Jointa of allaizes, Particular attention pald to Distillery Work, Manufac. turer of ‘‘Garratt’a Patent Improved Journal Metal.” R@Highest Market Price pnid for OLD BELLS, COPPER and BRASS, 6-tf W. T. GARRATT, JAMEAa HILLMAN, W.T. LITTLE, N. W. SPAULDING, Saw Smithing and Repairing ESTABLISHMENT. Nos. 17 and 19 Fremont Street, near Market, MANUFACTURER OF SPAULDIN G’?S Patent Tooth Circular Saws. They haye proved to be the most durable and economical Sawa in the World, Each faw is Warranted in every respect: Particular attention paid to construction of Portable & Stationary Saw Mills, MILLS FURNISHED AT SHORT NOTICE At the lowest Market Prices. H. ROYER, Manufacturer of LEATHER BELTING AND LACING, Mabe OF Futtrn Rawnipe, Factory, South Park Milla, Brannan street, bet. Third and Fourth, San Francisco, aa Pacifie Sow Monufnetaring Co. are Sole Agents for H, Rosyer’s Locing Leathers, ig For E vont Tare eltin & Boilers For sale hy BERRY & PLACE, Machinery Depot; 112 California street, San Francisco. = a oS og #8 ay op a) “3 & fy t For sale by Berry & Placo,{Machinery Depot, 112 Cal. st. 8. F, eltin For sale hy Berry & Place, Machinery Depot, 112Cal. St., 5. F. ‘easy WERS lor Pressy Ie vee a at, SF PATENT. TMORSE’S BOILER TUBE — CLEANER, Forsale by Berry & Placo, Machinery Depot, 112 Cal. st ,S. V Blake’s Patent = PUMPS For sale hy Berry & Place, Machinery Depot, 112Cal. st., S, F. MAGAZINES. P, An, W. E. LOOMIS, $4 00 News Dealer Godey. New York Ledger, AND STATIONER, Blackwood... Hours et Hom 3, E. corner of Sansome and Seed eke 3700 Washington streeta, SUPPLIEA ALL 5 00 : Eastern Perodicals, 16 00 BY THE 15 00. §¥ear, Month, or Number, ound... London Ill, Newa.....