The Repertory of arts and manufactures [afterw.] arts, manufactures and agriculture |
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1 - 5 találat összesen 46 találatból.
iii. oldal
... Coal Liquors , and for extracting and refining all the inflammable Air or Gas so as to deprive it of all disagreeable Odour during Combustion , and render- ing the Gas itself salutary for human Respiration when pro- perly diluted with ...
... Coal Liquors , and for extracting and refining all the inflammable Air or Gas so as to deprive it of all disagreeable Odour during Combustion , and render- ing the Gas itself salutary for human Respiration when pro- perly diluted with ...
vii. oldal
... Coal Mines of Sarrebruck , and on the Management of Mines in general . By M. A. H. DE BONNARD , On preparing Acetate of Potash , so as to obtain it in a saturated State , and of a White Colour . By Messrs . BERNOULLY and FRENY ...
... Coal Mines of Sarrebruck , and on the Management of Mines in general . By M. A. H. DE BONNARD , On preparing Acetate of Potash , so as to obtain it in a saturated State , and of a White Colour . By Messrs . BERNOULLY and FRENY ...
6. oldal
... coals , & c . and extract the smoke by heat , and the other part to cool , decompose , and refine the smoke ; both vessels must be made air - tight , to obtain a perfect analysis of coal , or other fuel , and combusti- bles ...
... coals , & c . and extract the smoke by heat , and the other part to cool , decompose , and refine the smoke ; both vessels must be made air - tight , to obtain a perfect analysis of coal , or other fuel , and combusti- bles ...
7. oldal
... coal in the centre . A fire of raw coal is made to play around them ; by which contrivance above half of the heat is necessarily necessarily lost in the brick - work , from the Patent for an improved Oven - stove , & c .
... coal in the centre . A fire of raw coal is made to play around them ; by which contrivance above half of the heat is necessarily necessarily lost in the brick - work , from the Patent for an improved Oven - stove , & c .
8. oldal
... coal or fuel ; for instead of surrounding any iron or other re- torts filled with coal or other fuel to be analysed , by a large coal or charcoal fire , I place my fires into the midst or centre of the vessels charged with raw fuel ...
... coal or fuel ; for instead of surrounding any iron or other re- torts filled with coal or other fuel to be analysed , by a large coal or charcoal fire , I place my fires into the midst or centre of the vessels charged with raw fuel ...
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Más kiadások - Összes megtekintése
Gyakori szavak és kifejezések
acetate acetic acid acres alcohol alkalies ammonia animal apparatus appear axis axle body carbonate carriage centre coal colour combined combustion compound contained cylinder decomposed decomposition described distilled ditto draw edge employed experiments fastened fecula fixed frame furrow gate grain gypsum half heat horses hydrogen inclined planes indigo indigo plant invention iron kinds of charcoal land length lime liquor luminous machine manner manure means metal method mines mixture mould-board muriate of potash muriatic acid gas necessary nitric acid observed operation oxen oxyd oxygen oxymuriatic acid gas perpendicular phosphoric acid phosphorus piece plants Plate plough potash potassium produced proper proportion prussic acid quantity quill roller saltpetre screw shaft sheep shewn shews side soil substance sufficient sugar sulphuretted hydrogen sulphuric acid surface tion tube upper vegetable weight wheels width woad wood XVIII.-SECOND SERIES
Népszerű szakaszok
15. oldal - Now Know Ye, that in compliance with the said proviso, I, the said Adolphe Nicole, do hereby declare that the nature of my said Invention, and the manner in which the same is to be performed, are...
321. oldal - Now know ye, that in compliance with the said proviso, I, the said John Watson, do hereby declare that the nature of my said Invention, and the manner in which the same...
199. oldal - Witty do declare that the nature of my said invention, and the manner in which the same is to be performed, is described and ascertained...
244. oldal - ... on the wooden railways, as it would help to pay the interest by reducing the repairs of the rails, and if iron should take any sudden rise, there was nothing to do but to take them up, and send them away as pigs.
244. oldal - Railways have been in use in this kingdom time out of mind, and they were usually formed of scantlings of good sound oak, laid on sills or sleepers of the same timber, and pinned together with the same stuff.
168. oldal - July; and when these had afforded shoots about four inches long, the remaining ligatures were taken off, to permit the excess of sap to pass on ; and the young shoots were nailed to the wall. Being there properly exposed to light^ their wood ripened well, and afforded blossoms in the succeeding spring : this would, I do not doubt," have afforded fruit ; but that, leaving my residence at lilton for this?
302. oldal - ... and when it is exposed to the usual percussion of the water, the transparent parts of its body are alone luminous. In the month of September 1805, I again visited Herne Bay, and frequently had opportunities of witnessing the luminous appearance of the sea. I caught many of the hemispherical and minute species of medusa, but not one of the beroe fulgens.
97. oldal - If oxymuriatic acid gas be introduced into a vessel exhausted of air, containing tin, and the tin be gently heated, and the gas in sufficient quantity, the tin and the gas disappear, and a limpid fluid, precisely the same as Libavius's liquor is formed ; — it occurred to me, that if this substance is a combination of muriatic acid and oxide of tin, oxide of tin ought to be separated from it by means of ammonia. I admitted...
374. oldal - The luminous matter in all situations, so far from possessing phosphoric properties, is incombustible, and loses the quality of emitting light, by being dried or much heated. The exhibition of light, however long it may be continued, causes no diminution of the bulk of the luminous matter. It does not require the presence of pure air, and is not extinguished by other gases.
304. oldal - ... suddenly it changed to a white flaming colour all around : this bore no resemblance to the sparkling or glowing appearance he had observed on other occasions in seas near the equator, but was a regular white colour, like milk, and did not continue more than ten...