The Repertory of arts and manufactures [afterw.] arts, manufactures and agriculture |
Részletek a könyvből
1 - 5 találat összesen 19 találatból.
39. oldal
... consequently , in the highest and most difficult chimneys , that it has hitherto been principally used , because , amongst the lower class , the regular chimney - sweepers have been accustomed here to sweep for the soot only , a ...
... consequently , in the highest and most difficult chimneys , that it has hitherto been principally used , because , amongst the lower class , the regular chimney - sweepers have been accustomed here to sweep for the soot only , a ...
44. oldal
... consequently less marketable than well filled and plump grain , is not quite as proper for seed , as fully endowed with the qualities of its parent corn , and as likely to produce corn of a superior sample , as its lusty and plump ...
... consequently less marketable than well filled and plump grain , is not quite as proper for seed , as fully endowed with the qualities of its parent corn , and as likely to produce corn of a superior sample , as its lusty and plump ...
67. oldal
... consequently I have two quills , or parts of quills , equally competent to produce pens with only a little less in the quality of the belly part of some quills . These half quills being thus prepared , I make , as in the first section ...
... consequently I have two quills , or parts of quills , equally competent to produce pens with only a little less in the quality of the belly part of some quills . These half quills being thus prepared , I make , as in the first section ...
72. oldal
... consequently receive such a false cut as to leave the chaps with a hair point each . In making pens by this instrument I do not mean in general to nib or cut the point square and clean by the operation of cutting the mouth and producing ...
... consequently receive such a false cut as to leave the chaps with a hair point each . In making pens by this instrument I do not mean in general to nib or cut the point square and clean by the operation of cutting the mouth and producing ...
87. oldal
... consequently the greater the number of wheels , the greater will be the facility with which the carriage may be drawn . The most considerable impediment , however , to the progress of a carriage , arises from the small inequalities ...
... consequently the greater the number of wheels , the greater will be the facility with which the carriage may be drawn . The most considerable impediment , however , to the progress of a carriage , arises from the small inequalities ...
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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...