The Repertory of arts and manufactures [afterw.] arts, manufactures and agriculture |
Részletek a könyvből
1 - 5 találat összesen 53 találatból.
vi. oldal
... turn a Furrow in the best manner . By Mr. WILLIAM AMOS , Author of the Theory and Practice of Drill - husbandry ; Minutes of Agri- culture and Planting , & c . & c . 169 , 207 On the fertilizing Effects of Gypsum in the United States of ...
... turn a Furrow in the best manner . By Mr. WILLIAM AMOS , Author of the Theory and Practice of Drill - husbandry ; Minutes of Agri- culture and Planting , & c . & c . 169 , 207 On the fertilizing Effects of Gypsum in the United States of ...
x. oldal
... turn on their own axes in pieces of steel , or any other hard metal , also fixed in the said recesses . In this case the bottom of the axle - tree must be flattened , in order to throw the weight on the rollers . I then make a groove ...
... turn on their own axes in pieces of steel , or any other hard metal , also fixed in the said recesses . In this case the bottom of the axle - tree must be flattened , in order to throw the weight on the rollers . I then make a groove ...
2. oldal
... turning said roller the hide or leather is wound thereon , and duly disposed so as to present the other end to the forcing cylinders A A. The knife H being so disposed and fixed as that the edge thereof shall be at the proper position ...
... turning said roller the hide or leather is wound thereon , and duly disposed so as to present the other end to the forcing cylinders A A. The knife H being so disposed and fixed as that the edge thereof shall be at the proper position ...
16. oldal
... turns ) to the upper part of the suc- ceeding frame I I , playing on a pin . These are supports to the frames against the power of the wind , and which , by playing top and bottom , allow the sails to turn round the drums at each end ...
... turns ) to the upper part of the suc- ceeding frame I I , playing on a pin . These are supports to the frames against the power of the wind , and which , by playing top and bottom , allow the sails to turn round the drums at each end ...
17. oldal
... turns . JJ the sails . Fig . 4 shews the spring and guide in large . The machinery for a floating tide or current mill of great power , I forin similar to the preceding one for wind therefore the same drawing will serve to refer to ...
... turns . JJ the sails . Fig . 4 shews the spring and guide in large . The machinery for a floating tide or current mill of great power , I forin similar to the preceding one for wind therefore the same drawing will serve to refer to ...
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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...