Hellot, Jean, 1685-1766, Macquer, Pierre Joseph, 1718-1784, Lepileur d'Apligny · London: Printed for R. Baldwin · leaf 525
he blue. It is even polTible to dyeboth in the fame liquor. K k 4 Ohfervations 504 THEARTOF Ohfervations on this Dye,Gode, in the year 1770, prefented a me- M. • moir to the Academy of Sciences atRouen, in which he pretended, that by pour-ing vitriolic acid on this fecula, he produced acombination… … Explanation of the Plates which hclong to thedying of Silk. PLATE I. Figure I. Reprefents two great Coppers, one round, and theother oblong, fet in brick-work on their furnacei. A, An oblong Copper, called by the Dyers Ova/. B, A round Copper. C, The Scuttle of the Chimney. D, The Door of the…
Dyes and dyeing
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