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acid acted action advantage alkohol appears applied Arts ascertain beams boiling bottom called carbonate colour combined common considerable contained Dated described dissolved distilled drains draw earth effect employed equal examined expense experiments extractive matter fecula fire fixed fluid formed four gelatine give grains green half heat improvements inches infusion invention iron kind land less light likewise lime liquor machine manner manufacture matter means mercury metal method mixed muriatic nature necessary observed obtained operation ounce oxygen pass pieces plants plate portion precipitate prepared present principle produced proper properties proportion pure quantity receive remaining rendered residue rotator round salt separated SERIES side Society soil solid solution strong substance sufficient taken tannin temperature tion vegetable vessel weight wheel whole wood
Seite 404 - 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 particularly described and ascertained in and by the following statement thereof, reference being had to the Drawing hereunto annexed, and to the figures and letters marked thereon...
Seite 202 - ... produces leather less durable than the leather slowly formed. Besides, in the case of quick tanning by means of infusions of barks, a quantity of vegetable extractive matter is lost to the manufacturer, which might have been made to enter into the composition of his leather. These observations show, that there is some foundation for the vulgar opinion of workmen, concerning what is technically called the feeding of leather in the slow method of tanning; and, though the processes of the.art may...
Seite 1 - To all to whom these presents shall come, &c.: — Now know ye, that in compliance with the said proviso. I, the said John Henry Cassell, do hereby declare that the nature of my invention, and the manner in which the same...
Seite 30 - Fish-oil without Heat. Take a gallon of crude stinking oil, or rather such as has been prepared as above mentioned, and add to it an ounce of powdered chalk; stir them .well together several times, as in the preceding process ; and after they have been mixed some hours or a whole day, ' add add an ounce of pearl-ashes, dissolved in four ounces of water, and repeat the stirring as before.
Seite 409 - Now know ye, that I, the said Richard Arkwright, do hereby describe and ascertain the nature of my said invention, and declare that the plan thereof drawn in the margin of these presents is composed of the following particulars, (that is to say) A, the cogg wheel and shaft, which receive their motion from a horse.
Seite 180 - STONE": in which said Letters Patent there is contained a proviso obliging me, the said Joseph Aspdin, by an instrument in writing under my hand and seal, particularly to describe and ascertain the nature of my said invention, and in what manner the same is to be performed...
Seite 456 - When honey is extracted from the combs by means of pressure, take the whole mass, break and separate it, and into each tub or vessel put one part of combs and two of water : place them in the sun, if his rays possess a sufficient power, or in a warm place, and cever them with cloths.
Seite 345 - Lebanon, receive their principal nourishment from oily particles incorporated with water, by means of an alkaline salt or absorbent earth. Till oil is made miscible, it is unable to enter the radical vessels of vegetables ; and, on that account, Providence has bountifully supplied all natural soils with chalky or other absorbent particles.
Seite 122 - Iong continued action of the atmosphere ; for much insoluble matter had been precipitated, during the process of tanning, and the residuum contained a small portion of acetous acid. In ascertaining the quantity of tannin in galls, I found that 500 grains of good...
Seite 100 - ... to throw in straw, rushes, or brush-wood, to increase the freedom of the drain. The small narrow drains should be cut at the distance of sixteen or eighteen feet from each other, and should fall into the main drain at very acute angles, to prevent any stoppage. At the point where they fall into, and eight or ten inches above it, they should be made firm with brick or stone.