Hellot, Jean, 1685-1766, Macquer, Pierre Joseph, 1718-1784. Art de la teinture en soie. English, Lepileur d'Apligny. Art de la peinture des fils et etoffes de coton. English, Baldwin, R. (Robert), 1737-1810 · London : Printed for R. Baldwin ... · leaf 523
ufpended, but not dif-folved, is alone fufficient to prove the contrary.Whatever he may flill fay, it makes no difference,nor does it make any exception to the propertyof acids, by which blue dies, and vegetableviolet are changed to a red, becaufe it is noton fecula fuch as indigo that acids… … Explanation of the Plates which belong to thedying of Silk. PLATE I. Figure I. Reprefents two great Coppers, one round, and theother oblong, fet in brick-work on their furnaces. A, An oblong Copper, called by the Dyers Oval. B, A round Copper. C, The Scuttle of the Chimney. D, The Door of the…
Dyes and dyeing
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