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Mechanics magazine
- Bandzählung
- N.S. 23=92.1870
- Erscheinungsdatum
- 1870
- Sprache
- Englisch
- Signatur
- A146
- Vorlage
- Universitätsbibliothek Chemnitz
- Digitalisat
- Universitätsbibliothek Chemnitz
- Digitalisat
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- urn:nbn:de:bsz:14-db-id507363582-187000013
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- http://digital.slub-dresden.de/id507363582-18700001
- OAI-Identifier
- oai:de:slub-dresden:db:id-507363582-18700001
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- Projekt: Bestände der Universitätsbibliothek Chemnitz
- LDP: Bestände der Universitätsbibliothek Chemnitz
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Zeitschrift
Mechanics magazine
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Band
Band N.S. 23=92.1870
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- Titelblatt Titelblatt -
- Register Index to vol. XXIII I
- Register Illustrations to vol. XXIII IV
- Ausgabe Jan. 1, 1870 1
- Ausgabe Jan. 8, 1870 19
- Ausgabe Jan. 14, 1870 37
- Ausgabe Jan. 21, 1870 55
- Ausgabe Jan. 28, 1870 73
- Ausgabe Feb. 4, 1870 91
- Ausgabe Feb. 11, 1870 109
- Ausgabe Feb. 18, 1870 127
- Ausgabe Feb. 25, 1870 145
- Ausgabe Mar. 4, 1870 163
- Ausgabe Mar. 11, 1870 181
- Ausgabe Mar. 18, 1870 199
- Ausgabe Mar. 25, 1870 217
- Ausgabe Apr. 1, 1870 235
- Ausgabe Apr. 8, 1870 253
- Ausgabe Apr. 15, 1870 271
- Ausgabe Apr. 22, 1870 289
- Ausgabe Apr. 29, 1870 307
- Ausgabe May 6, 1870 325
- Ausgabe May 13, 1870 343
- Ausgabe May 20, 1870 361
- Ausgabe May 27, 1870 379
- Ausgabe June 3, 1870 397
- Ausgabe June 10, 1870 415
- Ausgabe June 17, 1870 433
- Ausgabe June 24, 1870 451
- Ausgabe No. 2361 I
- Ausgabe No. 2362 I
- Ausgabe No. 2363 I
- Ausgabe No. 2364 I
- Ausgabe No. 2365 I
- Ausgabe No. 2366 I
- Ausgabe No. 2367 I
- Ausgabe No. 2368 I
- Ausgabe No. 2369 I
- Ausgabe No. 2370 I
- Ausgabe No. 2371 I
- Ausgabe No. 2372 I
- Ausgabe No. 2373 I
- Ausgabe No. 2374 I
- Ausgabe No. 2375 I
- Ausgabe No. 2376 I
- Ausgabe No. 2377 I
- Ausgabe No. 2378 I
- Ausgabe No. 2379 I
- Ausgabe No. 2380 I
- Ausgabe No. 2381 I
- Ausgabe No. 2382 I
- Ausgabe No. 2383 I
- Ausgabe No. 2384 I
- Ausgabe No. 2385 I
- Ausgabe No. 2386 I
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Band N.S. 23=92.1870
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AND MECHANICS’ MAGAZINE AND imintal of Engineering, Agricultural UtacjjkrB, Ulnnninrinres, anb SjiipMbmg. [Registered tor Transmission Abroad.] VOL. 92.—No. 2375 LONDON : FRIDAY, APRIL 8, 1870. PBICE FOURPENCE. By Post, 5d. NOTICE. Friday next being GOOD FRIDAY, the Mecha nics’ Magazine will lo PUBLISHED on THURSDAY, APRIL 14th, at the usual time- Advertisers aro, therefore, respectfully re quested to forward all Communications not later than Five o’clock on WEDNESDAY evening. CONTENTS. PAOK ... 253 ... 253 ... 254 ... 255 The Whitworth Gun The Mint and its Critics Our New Tramways The Royal Institution Notes by Quidnunc 253 Ordnance Experiments 25 An Improved Method of Treating Wood for the Production of Paper Pulp 258 On Recent Investigations of Weather 258 Tho Harvey Torpedo 259 Boutet’s Channel Bridgo 259 Royal Geographical Society 259 The Soper Direct-action Breech-loading Rifle 260 Improved Method of Producing White Pigments 260 Improvements in Steam Pumping and Fire Engines 261 On the Suspension of a Ball by a Jet of Water 261 Tho London Association of Foremen Engineers 262 Tho Thames Embankment and its Railway 262 Improvements in Elastic Seats 263 Metropolitan Tramways 263 Effects of International Exhibitions 264 The Institution of Civil Engineers 264 ho Iron Trndo 264 1I.M. Ship “ Monarch " • 265 Visit of Lord Mayo, Viceroy of India, to a Coal Discovery in Cen tral India 265 Weekly Chemical, Mineral, aud Metal Report 265 Correspondence :— Crossing the Channel 2C5 To Correspondents 266 Naval, Military, and Gunnery Items 266 Miscellanea 26 Abridged Specifications of Pa'ents 267 Applications for Letters Patent 269 Notices of Intention to Proceed with Patents 270 List of Sealed Patents 270 Patents on which the Stamp Duty of £50 has been paid 270 Patents on which the Stamp Duty of £100 has been paid 270 List of Specifications Published 270 Provisional Protections 270 W ANTED, on a large Property, an Ex perienced WORKING FOREMAN of ARTISANS. A Churchman, of 30 and not over 40 years of age, and a good Car penter. He must be well up at taking dimensions, drawing plans to scale, estimates, specifications, and bills of quantities; also quick at accounts. Wages £1 Is. per week summer and winter. A cottage and about 8 acres of land as a yearly tenancy at a rent of £12. Apply by letter only to “ H. H.” care of the Editor, in own handwriting, enclosing copies of testimonials from the Rector of the parish in which he resides, from last employers, and the one with whom ho served his apprenticeship, none of which documents the advertiser will undertake to return or reply to. First class character indispen- siblo, and no Unionist need apply. TO ENGINEERS. T HE “ FIELD ” TUBES can be fitted to already existing boilers. They will either effect a considerable saving in fuel or enable boilers now shoit of steam to keep full steam —For price and particulars apply to Mr. LEWIS OLItICK, Consult ing Engineer, 27, Leadenhall-street, London. A 38 rpiIE “FIELD” BOILER is the most economical steam boiler as to space, fuel, and price. It is equally adapted for stationary, portable and marine engines. Illustra tions and full particulars may be ebtained by applying to Mr. LEWIS OLRICK, Consulting Engineer, 27, Leadenhall-street, London,E.C. A3 SMITH'S PATENT BOILER PREPARATION. MIIS WONDERFUL PREPARATION T T HE ‘LOTHIAN” CANNEL COALS.— These Cannels are extensively used in the gas works of Edin burgh, where the illuminating power of the gas is the highest in Britain. The yield per ton is 12,573 cubic feet, illuminating power 33-8 standard candles; coke per ton 1.0461b. Steam and house coal of the best quality being on the list for the Admiralty contracts. Torts of Shipment, in the Firth of Forth. For prices, and other information, apply to J. and W. Romans. 53, Frederick-stieet. Edinburgh: and 1. Walbrook, Mansion House, London, and at the Crown Wharf, Thomas-street, Limehouse Cut, where samples may be seen. . B 58 OGIE ENGINES and SUSPENDED WHEELS for RAILWAYS.—SMITH’S PATENT.—Apply to WM. KEI.SEY, Esq., 118, Cannon-street. E.C.; or FREDERICK II. SMITH, Esq.. 4, Donegal-square West, Belfast, for information, Ac. They are taken up in France and America. B 243 TO ENGINEERS, &c. "VIEW MOTIVE POWER.—COMBINED AIR and STEAM, saving about 50 per cent fuel.—GALLO WAY and COMPANY will GRANT LICENCES to ENGINEERS, to apply Mr. G. Bell Galloway’s invention as contained in his patent, dated January 7,1865, to all descriptions of Engines. For terms of Licence, address. B. FOTHERGILL, Esq., C.E., 15, George-strcet, JMAusion Houso, l^ondon. B 366 B will PREVENT INCRUSTATION in the BOILER, cause it to steam much better and last longer, preventing the plates from burning, and thus removing the chief cause of explosions. Price, Is. 6d. per41b. canister.—Depot: 204, High Holborn, London. B 246 . A. & W. EDDINGTON, EFTGIIsrEEES, COPENHAGEN WHARF, LIMEHOUSE, LONDON, AND CHELMSFORD, MAKERS OP Improved Paragon Portable Steam Engines, Patent Improved Traction Engines, with Three Speeds and Compensating Gear of Extra Strength, and also with Cultivating and Draining Drums attached. PATENT IMPROVED DIRECT-ACTING CULTIVATING and DRAINING MACHINERY, to be worked by ordinary portables. CATALOGUES POST FREE. N.B.—Several Second-Hand Portable Engines to bo Sold or Let very cheap. * B 262 P HILLIPS’S PATENT SOLID FLANGE GIRDE33 give double tho strength of ordinary riveted plate girders of corresponding sectional area and weight, and aro supplied in the usual sections at a lower rate per ton. Particulars furnished on application to tho patentees, W. and T. Phillips, 25, Coal Exchange, E.C. PHILLIPS’S PATENT IMPROVED FIRE-PROOF FLOORING dispenses with tho use of all Wooden Fillets and Laths; can be laid by any labourer, and the ceiling plastered immediately; is light and indestructible, and in combination with the Iron Joists, forms a per fect structure at a trifling cost over the ordinary combustible Timber Floors. W. and T. Phillips. Patentees, 25, Coal Exchange, E.C. PHILLIPS’S ROLLED WROUGHT-IRON JOISTS AND BEAMS are specially manufactured from a tough aud elastic Metal, and aie supplied at the cost of the inferior descriptions of iron in the market. W. and T. Phillips, 25, Coal Exchange, E C. A 63 MOU LTON’S PATENT EMBEDDED iVl STEEL AND INDIA-RUBBER SPRINGS for Railway Car riages, Locomotive Engines, Buffers, &c., possess greatly-increased power, as compared with the ordinary India-rubber Springs; are more uniform in their action, counteract the compressibility of India- rubber alone, and are not liable to break from sudden concussion, or ths inequalities of the permanent way. Prices and further particulars may bo had on application to the Pa tentees, S. MOULTON & CO., Manufacturers of India-rubber Springs, Steam Packing, Washers, Hose, Tubing, Machine Belting, Garments, Blankets,Sheeting, Elastic Hot Water Beds, Cushions. Ac., Ac. Kingston India-rubber Mills. Bradford, Wilts- A K EAL FRENCH TELEGRAPH IN- STRUMENT SPRINGS, as now required by Her Majesty’s Postmaster-General, for Morse’s Ink Writing Instruments (and clocks); they are in a great variety of sizes, and of best French manufacture. As also the STEEL DRIVING BANDS for lathes and machinery; these are perfectly true throughout, suitable for all climates, stronger, cheaper, and steadier in work than leather or gutta-percha bands. Sizes lin. to 6in. wide, and 100ft. long. Particulars and prices of HARCOURT QUINCEY, Agent to Messrs. M A I. La LI EU and ( O . Bond-court, Walbrook. London. 1» 34 4 TO ENGINEERS AND STEAM USERS. MARTIN’S PATENT PISTON. Effecting a saving of 15 per cent, in Fuel, with 10 percent, additional power. Address—Messrs. WILLIAMS and BOLTON, St. Helen’s Foundry, Swansea. (Patent Piston.) B 282 R ugby Portland cement com- PANY* manufacture the best quality of cement for general engineering purposes.—Supplied by rail or canal. Rugby, Warwickshire. MR. CHARLES WILLMAN, ASSOC. IVl INST. C.E.. MEMB. INST. M.E., MEMB. IRON* AND STEEL INST.. VALUER of ENGINEERING PLANT, IRONWORKS, Ac., AUCTIONEER, MIDDLESBROUGH-ON-TEES. R 670 W M. WARNE and Co., Sole Manufac turers of the PATENT VOLUTE HOSE; Consolidated Emery Wheels, Improved Junction Rubber for Valves, Pump Buckets, Steam Packing, Hydraulic Rams, Gas Works, Ac. Ferru ginous Cement Packing, India-rubber Mats for doorways, baths, Ac., the Sultan's Bath Biush and Hand Emollient; the Prince of Wales’; Self-closing Pinches; the Junction Rubber Soles for boots and shoes Ac., and the Mineralized (Red) India-rubber for Valves, Ac. Manu facturers also of all descriptions of Vulcanized India-rubber Sheets Valves. Washers, Ac.; Hose Pipes, Tubing, Ac.; Waterproof and Air proof Goods. Ac. WM. WARNE A CO., 9, Gresham-street West, E.C., and Tottenham, K. A 3 TOHN BOURNE and Co., Engineers, tl Shipbuilders, and Contractors, 66, Mark-lane, E.C. Estimate* and prices on application. Mr. Bourne’s works on the stoaui engine Ac., also supplied. B 288 PATENTS FOR INVENTIONS. ip/TESSRS. ROBERTSON, BROOMAN, and Co., of 166, Fleet-street, London, have Agents in all the Colonies through whom they are able to obtain Patents for Inventions with great despatch. Prospectuses may be had gratis on application. RECORDS OF STEAM BOILER EXPLOSIONS, By E. B. MARTEN, Chief Engineer to the Midland Steam Boiler Inspection and Assurance Ca Price 5s. Records for 1869 only Is. London: E. and F. N. Spon, 48, Charing-cross; Stour bridge, Broomhall. B 860 D rawings, plans, tracings, &c„ executed with accuracy and despatch, on moderate terms, by MESSER and THORPE, Mechanical and General Draughtsmen, 8, Quality-court, Chancery-lane, W.C. M. and T. are thoroughly practical Engineers. B 36 MATHEMATICAL INSTRUMENTS, &c. 64 Charing-cross S.W., H OLTZAPFFEL and GO. supply first quality INSTRUMENTS at second quality prices. A visit of inspection is solicited. A 32 THE INDICATION OF STEAM ENGINES AND ADJUSTMEN OF VALVES. H OPKINSON’S NEW PATENT DI RECT-ACTING swivel ARM STEAM ENGINEINDICATOR now introduced is superior to any other instrument for the purposo of taking accurate and faithful diagrams, whatever the speed and pressure. To ail who study the art of valve setting its superiority and ad vantages will be at once apparent, alterations of valves being faithfully recorded where all other constructions fail to show. Illustrated circulars nnd diagrams forwarded on application, and any intending purchaser can have an instrument forwarded subject to approval or return.—Apply, J. HOPKINSON and CO., Britannia Works, Huddersfield. B 353 c HEAP LATHES.—S.SMITH, 204,HIGH HOLBORN, three doors from Newton-street. A 35 W HEEL, RACK, and SCREW CUTTING SPUR, BEVEL, RATCHET, WORM, and INTERNAL WHEELS cut to any size or number of teeth alsoracksof any length orpitch. Dividing plates drilled or lined. Screws cut to any sizaof pitch. J. Wilkinson,Engineer, St. George’s Works, 42, lato 83, 8t. Geoige’s-road, S.E., London. P2 T O OPTICIANS and SHIPS’ COMPASS MAKERS.—CAUTION,—Having ascertained that a certain party has been endeavouring to introduce Compasses which directly infringe our patent for the Solf-compensating Liquid Compasses, we Hereby Give Notice that Legal Proceedings will at once be taken against all persons dealing in such Compasses without our licenoe. J. G. WEST and COu Makers to H.M. Navy, 92 and 93, Fleet-street, London. b 24 PERIN’S french BAND SAWS. S AMUEL WORSSAM and CO., Saw Mill Engineers, are Wholesale Importers of these celebrated Saws, and have the largest stock of these and Circular Saws iu Lon don. Revised Price Lists and New Illustrated Catalogues of Patent Builders Machines on application to Oakley Works, King's-road, Chelsea. London, S.W. PERIN’S FRENCH BAND SAWS. CAUTION. A RANSOME and CO. are the Sole • Agents in the United Kingdom for tho sale of Perin’s Cele brated Saws. Messrs. Perm and Co. consign to no other house in tho kingdom. The public are therefore cautioned to send their orders direct to A. Ransome and Co., 304, King’s-road, Chelsea, 8.W. B 334 FEET’S VALVE TAPS (with Two Loose Discs,) FOR STEAM, WATER, AND GAS. PATENTED IN ALL EUROPEAN COUNTRIES. THOUSANDS in CONSTANT USE IN EUROPE AND AMERICA: These VALVE TAPS are admitted to be The BEST EVER USED. THEY MAY BE HAD -THER IN GUN METAL OR CAST IRON, ALL SIZES, WJ- M. OR F. ENDS, SCREWED FOR WM. PIPE, OR WITs, /-LANGES. BIB. OR UNION JOINT ATTACHED. THE ENGINEERING PRESS ON BOTH .SIDES OF THE ATLANTIC GIVE THE PREFERENCE TO TD' IMPROVED CONSTRUCTION, EXCELLENCE OF MATERIAL, '-»d Superior Workmanship of PEET’S VALVES, over ALL OTHERS. Hundreds of Testimonials may be seen on Application. SUPPLIED BY ALL THE PRINCIPAL FACTORS, BRASS FOUNDERS, ENGINEERS, MILL FURNISHERS, AND IRONMONGERS IN EUROPE. SOLE MAKERS, WHITLEY PARTNERS, RAILWAY WORKS, LEEDS. B 375
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