London Journal of Arts and Sceinces: And Repertory of Patent Inventions, Band 8William Newton, Charles Frederick Partington W. Newton, 1824 |
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Seite 3
... inch side - ways , and kept in that situation by springs , that the oval holes may be partly closed , the rods only being permitted to slide through the openings . Small worm spings are placed upon these rods , and the lower beads rest ...
... inch side - ways , and kept in that situation by springs , that the oval holes may be partly closed , the rods only being permitted to slide through the openings . Small worm spings are placed upon these rods , and the lower beads rest ...
Seite 12
... inches wide ; it is . also capable , by means of a suitable cutter , of grinding or rubbing down the surfaces of slabs to a perfect level with greater accuracy than any other machine , and for that purpose a plain flat rubber , instead ...
... inches wide ; it is . also capable , by means of a suitable cutter , of grinding or rubbing down the surfaces of slabs to a perfect level with greater accuracy than any other machine , and for that purpose a plain flat rubber , instead ...
Seite 46
... inch ; and are declared to be safe while kept within this limit ; but they are actually worked in our boats under a pressure of from ten to twenty pounds . The boilers of the high pressure engines are tried and proved to bear a pressure ...
... inch ; and are declared to be safe while kept within this limit ; but they are actually worked in our boats under a pressure of from ten to twenty pounds . The boilers of the high pressure engines are tried and proved to bear a pressure ...
Seite 51
... inch . This kind of explosion is too instantaneous to be re- lieved by any safety valve . Several of these accidents have taken place in Mr. P.'s furnaces without the smallest injury , excepting that of spoiling the tube . The fact is ...
... inch . This kind of explosion is too instantaneous to be re- lieved by any safety valve . Several of these accidents have taken place in Mr. P.'s furnaces without the smallest injury , excepting that of spoiling the tube . The fact is ...
Seite 56
... inch in length , con- tains 306 hard pieces as , envelopes ; 494 muscles ; 24 pair of nerves ; and 48 pair of trachea . Mr. Maugham , author of the Pupil's Pharmacopoeia , is printing , uniformly with the Phar . Lond . an Appendix to ...
... inch in length , con- tains 306 hard pieces as , envelopes ; 494 muscles ; 24 pair of nerves ; and 48 pair of trachea . Mr. Maugham , author of the Pupil's Pharmacopoeia , is printing , uniformly with the Phar . Lond . an Appendix to ...
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acid aforesaid apparatus applied attached axle bobbin boiler bolt burner calico carriage City of London cloth colour conj construction copper cord cotton county of Middlesex cylinder drawing drawing rollers Ecliptic effect employed flax flue frame furnace gasometer heat hemp horizontal immerge improvement inch Inrolled invention iron Journal of Arts lace lamp large silver medal lever London Journal LOWER EDMONTON machine machinery manufacturing mast material means ment metal method Middlesex mode months mucilage operation oven PARIS passes the merid passes the meridian patent Paul Moody piece pipe plates present pressure produced proposed purpose quantity raised ratchet-wheel revolve rods rollers rotatory Rotherhithe sail Scheele's Green screw Sealed shaft shewn at fig side silk silver Isis medal silver palette sliding stay-sail steam engine substance surface threads tion tube turpentine valve vessel VIII wheel York
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Seite 224 - Outlines of a System of Medico-Chirurgical Education ; containing illustrations of the application of Anatomy, Physiology, and other Sciences, to the principal practical points in Medicine and Surgery, with coloured plates.
Seite 147 - Dissolve in a copper kettle, by heat, one part of verdigris, in a sufficient quantity of pure vinegar, and add to it an aqueous solution of one part of white arsenic. A precipitate of dirty green generally forms, which must be renewed by adding more vinegar, or till the precipitate is perfectly dissolved. After boiling this mixture, a granular precipitate will in a short time form, of the most beautiful green colour, which, being separated from the liquid, and well washed aud dried, is the required...
Seite 9 - London, merchant, in consequence of a communication made to him by a certain foreigner residing abroad, for an invention of " certain improvements in boilers for generating steam.
Seite 326 - Middlesex, merchant, in consequence of a communication made to him by a certain foreigner residing abroad...
Seite 62 - ... it will not equal the cost of the fuel required to propel a steam-boat ; and as a few butts of oil will be sufficient for a long voyage, vessels of the largest tonnage may be propelled to the most distant parts of the world.
Seite 181 - Patent for certain improvemerits in rendering leather, flax, sail-cloth, and other articles water-proof, Vol. VI. page 191. To JACOB PERKINS, of Fleet Street, in the City of London, and JOHN MARTINEAU, the younger, of the City Road, in the County of Middlesex...
Seite 317 - Unlike large ships, her galley and bitts are above deck ; and between the foremast and the first mainmast there is a fore hatchway, and a cable tier and messingplace for part of the crew, which look like a rude gap made in her cargo after it had been stowed. The height from the timber on which the cable is coiled, and where the men have two or three berths, is about six feet ; so that there must be even there about thirty feet deep of timber. But from the first mainmast to the second, the cargo runs...
Seite 166 - Carnaby-street, in the parish of St. James, Westminster, in the county of Middlesex, Lcad-pipe-manufacturer ; for his new-invented manufacture of metal pipes, the same being...
Seite 245 - ... weight of copper ; or two ounces of block or grain tin ; or four ounces of regulus of antimony ; or eight ounces of regulus of arsenic, in the same quantity of copper. Or, instead of employing these substances alone in the above-mentioned proportions, to l00lbs.
Seite 148 - ... pounds of the colour prepared as above, warm the whole over a moderate fire. The mass will soon acquire the required shade. If it is boiled too long, the colour will approach to Scheele's green ; but it always surpasses it in beauty and splendour.