Page:Scientific American - Series 1 - Volume 008 - Issue 29.pdf/7

 231' TO CORRESPON DENTS. J. C. S ., o f N. Y.-You appear t o have hit on the E ricsson propeller; the single propeller, with an in. creasing pitch in the blades, has been the most suc cessful : it is more simple and can b e made cheap Sir G. C. 's ideas are to be found in the " London 1I1echanic's 1I1agazine," in the diser; we prefer it.

American and Foreign Patent Agenoy

cUBsion of the Stirling Air E ngine, 1846. N. R. M. & C o ., N .Y.-Your water.. cock will work well enongh, if tho colnmn of feed water is Q[ gre at' er weight than the pressure of steam on the water in the boiler; if not, the water i n the boiler would be forced up the pipe. F. C .� of 1I1ich.-Yo ur torpedo would n o doubt be o f grea t beneflt, i n cases of danger, if constructed as you propose, but as we d o n o t know the plan, you

will readily j udge that we cannot B ay more about it, A. 111 . S ., of Ind .-You should write Iessrs. Doug-

lasas o f Middletown, Conn., for such information as you solici t of us. Those odd back numbers we h ave not.

Subscribers at 1I10unt 1I10rris, I11.-Your first letter came duly to hand with funds, but the name of the State was omitted both o n the letter and o n the en-

the entire right of E. Harrison's Flour and Grain 1I1i1l, for the United States and Territories, for the term of five y ear s, Itre now prpared to furnish said mills at short notice. These mill. are unequalled by any other mill in use, and will grind from 20 to 30 bushels per hour of fine mea.l, and will run 24 hours MPORTANT T O INVENTORS. . . . The under per day. without heating, as .the mills are self� cool signed having for several years been extensively ing. Thoy weigh from 1400 to 1500 Ibs., of the best engaged in procuring Letters Patent for new ,mecha'" French burr stone, 30 inches i n diameter : snugiy nical and chemical inventions, offer their services packed in a cast� iron frame, price of mill $200. pack to inventors npon the most reasonable terms. All ing $5. Terms cash Further particulars can be had 28tf by addressing as above, post-paid. business entrusted t o their charge is strictly confi dential. Private consultations are held with inven tors at their o ffi c e from 9 A . 111 ., until 4 P. 111 . In- r HE NE W HAVEN MANUFACTURING CO. Tentors, however; need not incur the expense o f at .. N o . 2 Howard st, New Hayen, C t ., are n o w fin� tending in person, as the preliminaries can all be ar ishing 6 large Lathes, for turning driving wheels, ranged by letter. 1I10dels can be sent with safety by and all kinds of large work; these latheR weigh 9 express or any other convenient medium. They tons, and swing 7 1�3 feet, shears about 16 feet long. should not be over 1 foot squar. in size, i f possible. Cuts and further particulars can be had by address28tf. Having Agents located in the chief cities o f En- ing as above, post-paid. rope, our facilities for obtaining Foreign Patents are unequalled. This branch of our bUBiness rec alves the ARKER'S PATENT METHOD OF BANDING especial atten.tion o f one of the members of the firm, l)ulleys.-Portable Sawing Machines, made se� who is prepared to. advise with inventors and manu .. parate either for circular or scroll sawing, ma.y be facturers at all times, relating t o Foreign Patents. ,een at N o . 110 E aspSth street, near Third avenue, MUNN & C O ., Scientific American Office, where any information will be given as to its appli� 128 Fulton street, New York. 2 8 2" cation t o other machinery.

ADVERTISEMENTS.

HAVEN THE NEWNew Haven, CMANUFACTURING BEARDSLEE'S PATENT PLANING Tongue ing and Grooving 1I1achines- These celebrated onn.) having purchased Company,

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machines have n o w ben generally i n t roduced i n various p o r t i o n s of the. United States. 1I10re than thirty are now i n success(ul practical operation i n th e State o f New York alone. A s a n illu stration of the exten t o f w ork which they are capable o f per� forming, with unrivalled perfecti o n } i t i s s ufficient to state that, within the last six months and a half, over five millions of feet of spruce flooring h ave been planed, tongued and groovd by one of thes e machines at Plattsburgh, N. Y . . never running t o exceed t e n hours a day . The claim that t h e B eards lee machine was an infringe ment upon the Wood .. worth patent, has been' finally abandoned; a n d after the proofs had been taken, the suit instituted by the owners of that patent was discontinued, and the whole controversy terminated o n the first o f Novem ber last. Applications for machines or right-s may be made t o the subscriber, GEO. W . BEARDSLE E, 57 State street, o r N o . 764 Broadway, Al bany. 15tf

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particular i n this respect they will save themselves, as well as us, much trouble sometimes.

d e n t s a r e too careless about mentioning the n a m e of the State from whence they hail; by being more

velope which c overed it, so we knew not where to a d dress the papers. Very many o f Our correspon...

ACHINE FOR MAKING RAILROAD Chal.. -Having built one o f my patent machi n e s for making Railroad Chairs, and operated i t i n presence of several scientific mechanics, who pronou n ce i t the m o s t perfect machine e v e r m a d e f o r the purpose. I am anxious to sell rights upon reasonable terms; 4000 perfect chairs can be made in o n e day, w i th o nl y one-third the usual labor. ROBERT GRIFFITHS, Newport, Ky., opposite Cincinnati. tf

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'p ORTABLE STEAM ENGINE-Any. Tot oSASH OR CABINET MAKERS commence business.-A couple

o n e hav ing for salo a good second� hand Portable Steam Engine and Boiler, of from 3 to 7 horse� power, will C. H. WARN E R, do well to address. 1I1acon, Ga. 2 8 2*

P. N. FITZGERALD, C ounsellor at Law � has recently resigned the office o f principal Examiner of Patentsl which h e has held for many years, and is ready to assist, professionally, i n th e preparation and trial of patent causes b l-' fore the U. S. Oourts in a n y o f t h e States, a n d before the Su preme C o urt of the United States. H e also acts a s C o unsel. i ll cases before t h e Patent Oftlce, a n d o n ap� peals therefrom, but does not prepare applications for Patents Office corner of E and 8th st�., Washington, D. C. 1 8 tf

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J. E. B ., of N .-We have received yours but do n ot understand the case, because you have not explained it, and your letter does not clear up th e cir M cumstances; a plain and clear statement of the cir� cumstances is the thing wanted in connection with

the Qlucidation of the power of the engines and speed of the screw. Write cautiously an d clearly. A. J. 111 . D ., of Geo .-Capt. Ericsson first built a s t ationary h o t-aIr engin e. You have got t h e re� c e i pt for glue by this time. The amount for the two patents would be about $1100. H. D ., of N. Y.-Alum water will tan your white skins j be sure and get the grease out of them; i t

BLOWER .-FOR LDEN'S PATENT FAN Foundries, Smitheries, Rolling Mills, Steam� boats, Ventilation, &c These B lowers possess many advantages over those of other � construction, they will preduce a stronger blast with less power, make less noise, and are less liable to get out o f order, they are made entirely of metal, of the best material and workmanship. A printed report o f a trial of them will be sent to those wishing it, by addre ss� ing th e subscriber. Also B irkinbine's Patent Im proved Hydraulic Ram and Force Pump. J. B. C HI29 2" CHESTER, Agent, 338 Broadway, N . Y.

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ABOUT o f young men acquainted with working sash or cabinet ma chinery possessing a small capital can hear of a good chance for business in a large and flourishing city, where there is n o competition, and prices from 5 0 to 100 per cent higher than i n New York o r B o s t o n. Address J. E. TURNBUI,L, S a i n t Johns, N e w Brnnswick. 28 4*

ACHINERY.-S. C. HILLS, No. 12 Platt-st. N Y. dealer in Steam E ngines, B o ilers, Iron PIa. .. ners, Lathes, Universal Chucks, Drills; Kase's, Von Schmidt's and other Pumps; John s o n ' s Shingle Ma chines; Woodworth's, Daniel's and Law's Planing maehines; Dick's Presses, Punches and Shears; Mar ticing and Tennoning machinesj Belting; machinerY oil, Deal's patent Cob and Corn mills; Burr mill an d Grindstones; Lead and Iron Pipe &0. Letters to be 27U naticed must be Dost-llaid.

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1I1i1k BOSTONBBELTING COMPANY-No. 37 Belt A street, o ston, 1I1anufacturers of 1I1achine ing. Steam Packing, E ngine and Conducting Hose, and all other articles of Vulcanized India Rubber, used for mechanical and manufacturing purposes. 28tf

B. ELY, C ounsellor at Law, 52 Washington � st., B o ston, will give particular attention t o Patent C ases. Refers to lIlunn & C o ., Scientil! American. 16tf

requires practice t o do so correctly.

H. M. S., of N. Y.-We d o not see any novelty in your arrangement o f windmill, an d feel sure no patent can be obtained. stantly on hand, time. P. c., o f Ky.-We keep Concentric Lath es con price $25 : also a very compact you can order at any

S. F., of Pa.-We are not acquainted with any better substance for smoothing the .pokes than what

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HE PROPRIETORS OF JAMES RENTON'S Patent, for the manufacturing of wrought� iron diteet from the ore, are desirous o f j ntroducing the AMILY SCHOOL FOR BOYS-Easton, C onn. Number Limited t o T welve. Summer Session invention generally, and invite parties who may wish you are using. begins May 2nd. Rev. C. T. Prentice, Principal, to negociate for rights for States and counties, or for furnaces, to make immediate application, and to viM J. S. D., of T e nn,-There is nothing new or paten.. References for circulars, etc.-S. H. Wales, E s q ., Scientific American Office; Rev. S. J. Prime, 142 sit the works at Newark and examine for themselves; table in your alleged improvement in brakes; the N s. t; F. C. W oodworth, Esq., 118. N assau s t., they are disposed to make liberal "rrangements with a sau l e .parties w l! o m a k e an early a,pplication. principl@ is good but not new. anks, Peclt 'Siip; NeW' Ynrk; Geocrge" rij)o Applicants for rights in the State o f New Jersey may J. M., of Pa.-G. W. Terry, of New Haven, C t ., Sterling, a n d J. D . Johnson, E sq s ., and Rev. 1I1r. Hewit, of Brid geport, Conn.; Rev. Messrs. Atwater, address Hon. J. M . Quinby, President of the Ameri can furnish y o u with information about works o n can Iron Co. Inquiries or applicatio n for other of Fairfield, and Hall, of Norwalk, C o n n. 29 States may be made to the subscribers. The furnace distilling and alcohol. which i s now i n operation at the American Iron C o ' s J. V. S., of Ohio .-We see nothing new o r patenta OODBURY'S PATENT PLA" ING Mach ' works, corner o f Parker a n d Passaic s t s ., Newark, N. -I have recently improved the manuf&cture of 1., is attrating considerable interest. Gentlemen ble in your device for feeding water to b oilers. my Patent Planing lachines, making them strong from all parts of the county have visited the works, o � F. 111 ., of C. W.-No person can in struct you and easy t o operate, an d am now ready to sell my examined the o}!leration, and express the highest how to make malleable iron, you must learn the 24 inch Surfacing Iachines for $700, and 14 inch Sur commendation of it. JA1I1ES RENTON, A. H. facing 1I1achines for $650 eacl}, I will warrant, by BROWN, Proprietors, N ewark, N. J. trade like any other profession. 26 5 " a special contract, that ONE of y aforesaid machines L. B. C ., o f S . C .-We feel greatly obliged to you will plane as many boards or plank a s two of the AXVELL IRON WORKS. 2 5 9 Bowery, N . Y . for the fine l ist of subscribers received from you, Wo odworth machines in the same time, and do i t Steam engines1 lathes, drilling and planing ma" and regret that we are unable t o furnish your club better and with less power. I also manufacture a chines, machinists' tools of every de scription, print� superior Tonguing and Grooving 1I1achine for $350, with the back numbers. ing, lithographic and copperplate presses, bookbind which can be either attached t o the Planing 1I1aJ. W. G., of Ind .-The edition o f 1I1innifie's Draw- chine, or worked separately. JOSE PH P. WOOD ers' cutting and embossing presses, rolling machines and squaring shears, iron backing presfes, improved ing Book, now publishing i n numbers, c ontains tha B URY, Patentee. B order st, E ast B oston, 1I1ass. 29tf standing press, proof and transfer presRes, cylinder same matter as the work originally pubH.shed; price TS, DESIGNERS, &c., one hundre d newspaper press, self- inking apparatus, and every O ARTIS article i n the press line, necessary in a priniing of in numbers 25cts. each; bound, $3, exclusive of pas� dollars premium.-The government of the Mass. fice or bindery, made to order, o n reasonable terms. achusetts Charitable 1I1echanic Asso ciation having tage, which is about SOcts. All kinds of repairing done with the greatest des J. C., o f N. H.-You will find several good receipts determined to procure a new diploma to be used at patch. N. B -Steam fire pumps made 10 per cent. the E xhibition the present year, hereby offer a pre 26 4* for making ink, blaCk, blue, and red, in Vol. 7, Sci. mium o f one hundred dollars for the best original cheaper than at any other establishment. design of one Artists and others who may b e dis Am., page 91. EE & LEAVITT -Manufacturers of every d e to compete. w il l please send their drawings to D. G. S ., of Pa.-Your paddle. w h eel is too c o m - p o sed scription of Cast Steel Saws, No. 53 Water ,treet, the secretary o n or before Saturday the thirtieth plioated to be of any practical benefit H put into use d ay of April next. E ach drawing must have some between Walnut and Vin e, Cincinnati O. 27 6 m '*' A. P., of N. J.-Your descript i o n is too concise to mark upon it, and must be accompanied by a sealed envelope, bearing a similar mark, and containing the PILLARD A N D DODGE-Arch Stre et Hall give a decided opinion upon the subject. address of the party sending it. For the d o sign Brass Foundry, and manufactory of plmbers' E. C. B ., o f N. Y.-We d o not kno w where Jeffries' whic h shall be adopted by the executive committee brass; water, steam, and gas cock constantly for 1Iiarine Glue is obtainable, perhaps the following the above premium will be paid. l'he other designs sale upon reasonable terms; 213 Ar c h street, Phi� 25 8 * recipe will be a substitute : cautchouc, 1 5 grs. j chlo- will be returned to their respective owners o n de� ladelphia, Pa. mand. Any further information may be obtained by roform, 2 o z .; masti c, 1-2 0 z .; dissolve the two first application to the Secretary. In behalf of the GovARON KILBORN, N o. 4 Howard s t, New H a ingredients, then add the mastic, and leave i t to ernment, F R E D. H. STIMPSON, Secretary. v e n, C onn., manufacturer o f steam E ngines, Boston, F eb. 23, 1 853 . 29 3 * macerate for a week. Another glue or cement is Bp il ers, &c. Noiseless fan blo wers and machinery i l!' general made by mixing a handful of quicklime. wi th four 25 10" OLIVER'S WIRE WORKS -No. 2 5 Fulton ounces of linseed 0' 1, washed, and boiled to a good � st, corner o f Water. Locomotive Spark Wire, AND PAPER, GLUE-Excelsior Sand and Em thickness, and kept in the shade o n tin plates to Patent Self� Setting Revolving Rat Traps; a n e w in ery Paper. AB B O T ' S 1I1anilla Sand and 1I1atch vented enclosed C oal and Aeh Separator. and Wove dry; it is afterwards rendered fit for use by boilin g Papers. Emery C loth, E mery, E mery Grit, Pumice Wire of every description. 28 4 * stone ground and i n lump, o f very superior quality; i t o v e r a fire. also Glue: o f all gradeRl and i n quantities to suit L. R ., of N . Y.-The magnet will not attach itoRCROSS ROTARY PLANING M ACIIINE, purchasers at the lowest manufacturers' prices, for -Decided by the Circuit C o urt not to infringe the self to the wheels. sale by WILLIAM B. PARSO N S, 2<14 Pearl street. Woodworth 1l1achine-I now offer my Planing 1I1a� 24 8* B last Pipe-Who can tell us what was the cause chines at a low price; they are not surpassed by any the bursting of the blast pipe at the Crane Iron machines as t o amount or quality of work. Tongue) of OTTON MACHINERY -Of the most approved ing and grooving machines also for sale, doing one Works, Pa, recently? plans, from the best .hops i n the country : or both edges as desired; 80 machines now in operai E. A. F., of S. C . -We have rece i ved yours, and drawings, specifications., and general arrangements tion . Address me a t Lowell, 1I1ass .� for the machinery, furnished at the lowest rates, by think as you do o n the subject. 27 10" N. G . NORO ROSS . W. B. LEONARD. and E. W. S MITH. 7 5 Merchants' J. ll . C, of Tenn.-Yours has come to hand and 2Stf LACK LEAD CRUCIBLES-The subscriber is Exchange, New York. will receive attention. now manufactlring and keeps o n hand an as sortment of the above crucibles for steel melting, OODWORTH PLANING MACHINES, O N 1I10ney received o n account o f Patent Office busi brass and other metal workers, which are warranted h a n d and manufactured to o r d e r, of superior ness for the week ending Saturday, 1I1arch 26 :equal to any now i n use. Orders respectfully 8olici� quality, at reduced price" warranted perfect. Also J . A, of Ct., $25; H. R ., of N . J., $30; T . F ., of ted by DANIEL ADEE, Agent, 107 Fulton street, steam engines and other machinery. by JOHN H, 27 4" C t ., $20 j J. I-I. B ., o f O t. � $30; J. B ., of N. Y., $20; N. Y. LESTER, 57 Pearl street, Brooklyn, L. 1. 22 8 * B. H. 0 ., of N. Y ., $30; A. C ., o f Ct .� $25; F. O. D ., EAR CUTTING-To order, executed with dis R. C W ., o f 0 ., $55; J. M. � o f D e l ., $25; of Pa., $20 HARRISON'S UNEQUALLED F L OUR AND patch, straight, spiral, and bevel, at the machine H. B ., of Ot., $30 N. N. T ., of N. Y .� $30; H. C. H, � GRAIN 1I1ILLS-Their frames and hopper are of N. Y ., $30; W. H, of N. Y.; $30; R. S ., of N shop No. 60 Vesey st, N. Y. G. W. WIGHT. 27 4" cast.. iron, and the stones French B urr, 3 0 inches in J .� $SO . diameter; grinds of wheat and corn 20 bushels an HORSE STEAM ENGINE FOR SALE-We hour, weighs fourteen hundred pounds. Specifications and drawings belonging t o parties These offer for sale an E ngine and B oiler, as follows mills, constructed upon a. new principle, have be with the follo wing initials have been forwarded to 8 horse, horizontal, cylinder 7 inches bore, 16 inch come widely known, and are producing a revolution the Patent Office during the week ending Saturday stroke, o n a cast-iron be, fiy wheel, driving pulley, in milling. C ash orders promptly supplied, and the governor, pump, pipes, etc.; has never been used. mills warranted t o work in the best manner. T h e March 26 : The B o iler has been used by the maker about o n e patentee offers $ 5 0 0 reward for a n y m i l l which will J . A " of C t .; B. J ., of N � Y .; A. L � 111 cJ ., of Oh l o ' ' ', It is cylinder, h orizontal. 16 feet long, 30 S. A. & J. G ., of R. I.; T. J A ., of Ohio; A C ., of year. diameter, has a steam chamber, try-cooks, do an equal amount of work with the same power inch and dressilOg. 1I1ade and for sale at the corner of S W. & G " a n d R . 111 . D ., of 1I1ass ,; J. ., o f c heck a n d safety valves : price, $600 . Addres 8 C ourt and Union streets, New Haven, C on n, by J. B " of R. I .; R. S., of N. J. I 1I1UNN & CO. 20 12* E DWARD HARRISON.

mortising machine for $20

NGINEERING-The undersigned i s prepared to furnish specifications, estimates, plans in general or detail of steamships, steamboats) propellers, high and low pressure e n gines, boilers, and machinery of every description. Broker in steam vessels, machinery, boilers, &c. General Agent for Ash croft's Steam and Vacuum Gauges. Allen & Noyes' 1I1etallic Self-adjusting Conical Pack ing, Taber's Water Gauge. Se wall's Salinometers, Dudgoon's Hy draulic Lifting Press, Roebling's Patent Wire Rope for hoisting and steering purposes, etc. etc. C H ARLES W . COPELAND, 29 13 " C onsultin g E ngineer, 64 Broad way.

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STEAM ENGINES - The subscri ber is now prepared to supply excellent Porta ble E ngines, with B oilers, Pumps, Heaters, etc ., all complete, and very compact, say 1, 2, 2 1-2, 3, 4, 6, 8, and 1 0 horse-power, suitable for printers, carpen� ters, farmers, planters, & c, they can be used with wood, bituminous, or ha.rd coal; a 2 1-2 horse en.. gine can be seen in store, i t occupies a space 5 feet by 3 feet, weighs 1500 Ibs. � price $240; other sizes S. C. HILLS. i n proportion. 27eotf 1I1achinery Agent, 12 1'latt st, N. Y.

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EONA R D ' S MACHINER� DEPOT, 109 Pearl-st. and 60 Beaver, N. Y.-Leather B anding Manufactory, N. Y .-Machi nists' s Tools, a large as sortment from the " IJ owell Machine Shop," and oth er celebrated makers, Also a general supply of me chanics' and manufacturers' articles, and a superio quality o f oak� tanned Leather Belting. 27tf P. A. LE ONARD. ,

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P AINTS ,

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&e. &c .-American Atomic Drier Graining C o lors, Anti-friction Paste, Gold Size Z in c Drier, and Stove Polish. QUARTE RlIIAN &; SON, 114 John st., 27tt Paintsrs and C hemists,

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HILDS, TAINTER & CO., Worcester, 1I1ass., Bliilders o f Daniel's Planers, with Read's feed motio n, and J. A. FAY &; C O ' s. celebrated W o o d working 1I1achinery. 24 8 *

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CRUCIBLES and 1I1elting B uf nny form;�Irl1:e'ami q<l,.liiYl-mooeo Buit Pots. cus

LACK LEAD

tomers, for 3 cents per number, and warranted equa to any of the kind manufactured i n th e world. by D. H. PURINTON, Somerset, lass. 23 10"

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DRAl<'T BOARDS-With extension scales, sheet fasteners, and T rule. See Report o f Worcester Fair, 1I1arylaRd State Fair, & c. &c, with their award s. $10 complete. Sent by express. Ad dress, p o st-paid. CHA1I1BE RLIN & C O ., Pittsfield 1I1ass. 16tf new Horizontal Steam F complete, with pumps 7 inch bore, 2 feetEngine stroke OR SALE-A

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weI suited for a saw mill j price $325 j also o n e Ee cond-hand, nearly new, perpendicular) i n iron fram work, complete, with pump and governor, 4 horse power. price, $175 : all warrallted to work well and of sound materials. Address O . S I MON} Louisville, Ky ., (Main between 11th and 12th st.) 29 2 *

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ATHES F O R BROOM HANDLES, Etc.-We continue to sell Alcott's Concentric Lathe,which is adapted to turning Windsor Ohair Legs, Pillar. Rods and Rounds; Hoe Handles, Fork Hanliles an Broom Handles. This Lathe is capable o f turning under two inche diameter, with only the trouble of changing the dies and pattern to the size required. It will turn smooth over swells or depressions of 3-4 to the inch and work -as smoothly as on a straight line-and doe excellent work. Sold without frames for the low price o f $25-boxed and shipped with directions fo setting up, A.ddres. (post.paid) MUN N & C O. At t h i s Ollice.

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F'ALES

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& GRAY (Successors to TRAC Y & FALE S), RAILROAD C AR 1I1AN U F AC 'l' U RE RS-Grove WOlCS, Hartford, C onnecticut. Pas senger, freight, and all other descriptions of railroad cars and l o comotive tender", made to order promptl y ltf

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B. HUTCHINSON'S PATENT STAVE Cut ting Machines, the best i n use, and applicable alike to thick or thin staves; also his Head C uttll' g and '.rurning, and Stave Jointi n g Machines. For machines or territorial rights, apply to 0 B HU'fCHINSON & C O ., Syracuse, N. Y. 9tf

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and turning tapers, cutti n g' screws, &c. We manufac ture and keep constantly on hand the above lath e s also d ouble slide C huck and common Hand Lathes Iron Planers, S. Ingerso!'s Patent Universal Ratche Dril l, &c. Weight of Axle Lathe, 5,500 Ibs; pri c $600; E ngine Serew Lathe, 1400 to 7, 0 0 0 Ibs; price $225 t o $675, BROWN & WHITE, 27tf Windsor Locks, C onn.

PATENT CAR AXLE LA.THES J - -also Patent Engine Screw Lathes, for bo ring

D. WHITE'S





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C OCHRAN'S

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CRUSHING MACHINE- Can be seen in daily operation in Thirteenth street, be tween 9th and 10th avenues. Parties i n want of a machine for crushing and pulverizing eJ.uickly and cheaply Quartz ROCk, Iro n, Lead, C opper, and Silver Ores, and other mineral substances equally hard, ar invited to witness the operation of these powerfu a.nd simple, but yet effective machines. } or further particular. apply t o E. & J. BUSSING &, C O ., No. 32 Clift� st., Y. N. 23tf ATENT LAWS OF THE UNITED STATES, and information to inventors and patentees; for sale at the Scientific American office. Price 1 ' 2 1--2 cents.

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� 1853 SCIENTIFIC AMERICAN, INC