London Journal of Arts and Sceinces: And Repertory of Patent Inventions, Volume 3William Newton, Charles Frederick Partington W. Newton, 1822 |
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Pagina 8
... construction , being insufficient to accomplish effectually at all times the purposes for which they are intended , I was induced to attempt the improvements which I have applied to them , and in the course of my application to this ...
... construction , being insufficient to accomplish effectually at all times the purposes for which they are intended , I was induced to attempt the improvements which I have applied to them , and in the course of my application to this ...
Pagina 10
... construction of printing machines . The sheet of paper to be printed is laid upon the feed- ing - frame , at m , and is there drawn off by endless tapes , and rolled round the cylinder , which , proceeding for- ward , passes the paper ...
... construction of printing machines . The sheet of paper to be printed is laid upon the feed- ing - frame , at m , and is there drawn off by endless tapes , and rolled round the cylinder , which , proceeding for- ward , passes the paper ...
Pagina 13
... by one block on this construction , two different colours can be printed at one stroke . " See the Minutes of the Society of Arts , for May , 1814 . upon the axle of the crank , h , which Sir W. Congreve's , for Printing in Colours . 13.
... by one block on this construction , two different colours can be printed at one stroke . " See the Minutes of the Society of Arts , for May , 1814 . upon the axle of the crank , h , which Sir W. Congreve's , for Printing in Colours . 13.
Pagina 14
... construction are , however , suggested : such as form- ing the distributing surfaces of two circular horizon- tal plates , which revolve through a small arc when the inking rollers pass over them ; this contrivance , it is con- ceived ...
... construction are , however , suggested : such as form- ing the distributing surfaces of two circular horizon- tal plates , which revolve through a small arc when the inking rollers pass over them ; this contrivance , it is con- ceived ...
Pagina 21
... construction of Snuffers . THE object of this improvement is a more perfect mode of extinguishing the snuff of a candle , and of pre- venting its re - ignition , by pressure , and the exclusion of air . The manner in which this is ...
... construction of Snuffers . THE object of this improvement is a more perfect mode of extinguishing the snuff of a candle , and of pre- venting its re - ignition , by pressure , and the exclusion of air . The manner in which this is ...
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Veelvoorkomende woorden en zinsdelen
acid ammonia animal apparatus appears applied attached axle black tea blow-pipe boiler bottle bottom brass capstan carbonate carbonic acid carriage cast iron chlorine cock colours communication condensed conj connected consists construction contrivance copper crank cylinder described diameter Diff drawing Ecliptic edge effect employed engine engravings equal feet fixed flame frame friction frisket green tea heat hinge-joints horizontal horse hyæna improvement inches inclined plane inking invention Journal of Arts lever loco-motive London Lower Edmonton machine manufacture means metal method Middlesex mode months for inrolment Moon motion mould moveable observations obtained operation paper passing patent pieces pipe piston placed plates present printing produced purpose quantity rail road rocket rollers rotatory round Royal screw Sealed shewn shews side Society spindle spring steam steam-engine surface tion valves vessel waggons weight WESTLEY RICHARDS wheel whelps
Populaire passages
Pagina 280 - View of the Progress of Architecture in England, from the Beginning of the Reign of Charles I., to the End of the Seventeenth Century ; and an Appendix of authentic Documents.
Pagina 146 - On a new species of Rhinoceros found in the interior of Africa, the Skull of which bears a close resemblance to that found in a fossil state in Siberia and other countries.
Pagina 210 - ... elephant, rhinoceros, hippopotamus, horse, ox, two or three species of deer, bear, fox, water-rat, and birds. The bones are for the most part broken, and gnawed to pieces, and the teeth lie loose among the fragments of the bones ; a very few teeth remain still fixed in broken fragments of the jaws.
Pagina 255 - ... of water. These shelves are piled one over another in the chamber, to the height of five or six feet, cross-bars below each keeping them about an inch asunder, that the gas may have free room to circulate over the surface of the calcareous hydrate. The alembics for generating the chlorine, which are usually nearly spherical, are in some cases made entirely of lead, in others, of two hemispheres joined together in the middle, the upper hemisphere being lead, the under one, cast-iron. The first...
Pagina 211 - The animals found in the cave agree in species with those that occur in the diluvian gravel of England, and of great part of the Northern hemisphere ; four of them, the hyaena, elephant, rhinoceros, and hippopotamus, belong to species that are now extinct, and to genera that live exclusively in warm climates, and which are found associated together only in the Southern portions of Africa near the Cape. It is certain from the evidence afforded by the interior of the den (which is of the same kind...
Pagina 156 - Ihe newly precipitated carbonates of the above enumerated metals are readily soluble to a certain extent, in the solutions in which they are formed, (though perfectly neutral.) In the cases of cobalt and cerium this re-dissolution of the recent precipitate formed by carbonate of ammonia is very considerable, and a solution of either of these metals, thus impregnated with the metallic carbonate, becomes a test of the presence of peroxide of iron, of a delicacy surpassing most of the re-agents used...
Pagina 216 - Provide pint or quart bottles, which must be perfectly clean, sweet and dry ; draw the milk from the cow into the bottles, and as they are filled, immediately cork them well up, and fasten the corks with pack-thread or wire. Then spread a little straw...
Pagina 132 - Mihi a docto doctore Domandatur causam et rationem quare Opium facit dormire. A quoi respondeo, Quia est in eo Virtus dormitiva, Cujus est natura Sensus assoupire.
Pagina 263 - Universal Technological Dictionary, or Familiar Explanation of the Terms used in all Arts and Sciences ; containing Definitions drawn from the original Writers and illustrated by Plates, Diagrams, Cuts, <$T.
Pagina 258 - ... in each column. At the end of two days the distillation is intermitted, and the chamber is laid open. After two hours the workman enters, to introduce the alternate trays, covered with fresh hydrate of lime, and at the same time rakes up thoroughly the half-formed chloride in the others. The door is then secured, and the chamber, after being filled for two days more with chlorine, is again opened, to allow the first set of trays to be removed, and to be replaced by others containing fresh hydrate,...