Experimental Researches Concerning the Philosophy of Permanent Colours: And the Best Means of Producing Them, by Dyeing, Calico Printing, &cT. Dobson, 1814 - 4 strán (strany) |
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Experimental Researches Concerning the Philosophy of Permanent ..., Zväzok 2 Edward Bancroft Úplné zobrazenie - 1813 |
Časté výrazy a frázy
afford afterwards alkali alum aluminous basis aluminous mordant applied astringent beautiful Berthollet black colour boiling Brasil wood bright brownish calico printing chay root cochineal colouring matter combination commonly decoction decoction of galls degree diluted dissolved drab dried durable dyed dyeing dyeing liquor dyers effect employed equal experiments extract fibres gallic acid galls green heat indigo lasting lime linen and cotton linen or cotton logwood lour mentioned metal mixed mixture muriatic acid murio-sulphate of tin nitrate nitric acid obtained old fustic olive ounces oxide oxide of iron oxygene portion potash pounds powder precipitate prepared produced proportion prosubstantive Prussian blue prussiate of potash quantity quercitron bark red colour render rinced scarlet silk soaked soap soda solutions of tin species steep stick lac sufficient sulphate of copper sulphate of iron sulphuric acid sumach sun and air tartar tion tree Turkey red vegetable weld wool wool or cloth woollen cloth
Populárne pasáže
Strana 194 - Ib. of white soap must be dissolved most carefully and completely in sixteen or eighteen pails of warm water ; if any little bits of the soap remain undissolved they will make spots in the cotton. Add four pails of strong barilla water, and stir it well. Sink the cotton in this liquor, keeping it down with cross sticks, and cover it up, boil it gently two hours, then wash it and dry it, ami it is finished.
Strana 255 - Second; the preamble of which declares, that " the ingenious industry of modern times, hath taught the dyers of England the art of fixing the colours made of logwood, alias blackwood, so as that, by experience, they are found as lasting as the colours made with any other sort of dyeing wood whatsoever...
Strana 194 - ... liquor, that what remains may produce a milk-warm heat with the fresh water with which the copper is again filled up, and then proceed to make up a dyeing liquor, as above, for the next ten pounds of cotton. Step.
Strana 307 - The substances that have been supposed to exist most generally in astringent infusions are, tannin, gallic acid,and extractive matter. The presence of tannin in an infusion, is denoted by the precipitate it forms with the solution of glue, or of isinglass. And, when this principle is wholly separated, if the remaining liquor gives a dark colour with the oxygenated salts of iron, and an immediate precipitate with the solutions of alum and of muriate of tin, it is believed to contain gallic acid, and...
Strana 188 - ... gallons each, of soft water, and the lime in fourteen pails. Let all the liquors stand till they become quite clear, and then mix ten pails of each. Boil the cotton in the mixture five hours, then wash it in running water, and dry it.
Strana 8 - ... saying it is- like the transparent amber that beads are made of: the external covering of the cells may be about half a line thick, is remarkably strong and able to resist injuries; the partitions are much thinner; the cells...
Strana 4 - Bontius, father Tachard, and their copiers into error. The lac of this country is principally found upon the uncultivated mountains on both sides of the Ganges, where bountiful nature has produced it in such prodigious abundance, that was the consumption ten times greater the markets might be supplied by this minute insect ! The only trouble in procuring the lac, is in breaking down the branches, and carrying the sticks to market; the present price in Dacca is about...
Strana 188 - The materials of this steep being well mixed, tread down the cotton into it until it is well soaked ; let it steep twenty-four hours, then wring it hard and dry it. Steep it again twenty-four...
Strana 191 - Boil twenty-five pounds of galls, bruised in ten pails of river water, until four or five are boiled away ; strain the liquor into a tub, and pour cold water on the galls in the strainer, to wash out of them all their tincture. As soon as the liquor is become milk-warm, dip your cotton hank by hank, handling it carefully all the time, and let it steep twenty-four hours. Then ring it carefully and equally, and dry it well without washing.
Strana 291 - Sizes, the least of which may make violet, the weakest and darkest of the Colours, and be more easily diverted by refracting Surfaces from the right Course; and the rest as they are bigger and bigger, may make the stronger and more lucid Colours, blue, green, yellow, and red, and be more and more difficultly diverted.