The First Theory for the Process of Dyeing
Hellot, (Jean). L’Art de la Teinture des Laines, et des Étoffes de Laine, en grand et petit Teint. Avec une Instruction sur les Déboiiiillis. Paris, La Veuve Pissot, Jean-Thomas Herissant + Pissot fils, 1750. Sm. 8vo. XIX, 5, 611 (false 631) pp. Contemp. marbled calf on 5 ribs with gilt back in modern marbled slipcase.
Ferchl 223; Poggendorff I, 1057; Partington III, 67 f.; Jöcher VI, 1894 f.; Darmstädter p. 183; Interlibrum Catalogue “From Alchemy to Atoms” no. 100. – Not in Duveen. – FIRST EDITION .
Famous fundamental work
on the dyeing of wool & woolens on the basis of the theory of the process of dyeing developed by Hellot (1685-1766) 1740 and submitted to the academy in two memoranda. This theory was the first one Darmstädter reports.
“ He assumed a purely physical explanation that the dye entered the pores of the wool (which must first be dilated), and the pores are then closed by its astringent action … (It’s) a classical key book on the subject ”
Hellot himself was member of the Paris Academy of Sciences and as successor of du Feu assessor in the Commercial Board. As such the supervision of the dye-houses was incumbent on him.
About Hellot’s ( “famous chemist” , Jöcher ) far-reaching chemical and technological works – so he discovered trisodium phosphate in 1735 – see above literature. Present work belongs to his main works and is very rare.
Fine copy of this conscientious print with various watermarks and with the engraved armorial ex-libris of Plummer of Middlestead as well as the inventory label of Sunderland Hall. – PP. 77-84 with backed corner defects below and above resp in the wide white margin. Leaf 195/96 with horizontal tear backed in the margin. The partly broken joints of the slightly bumped binding repaired. The backplate renewed.
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