Hummel, J. J. (John James), d. 1902 · London : Cassell · leaf 448
for four hours at 3—4 pounds pressure with about30 gi-ams of carbonate of soda crystals, and 30 grams ofpalm-oil soap, dissolred in a sufficiency of water, per kilo,of yam. Wash afterwards. The cleariug boiler used, and shown in Fig. 88, andin plan in Fig. 89, issimilar in construc-tion to an… … pil^ E the bonnet Rg. 99.—Plan of Fig. 88. for distributing theliquor over the yarn;F the draw-off pipe. During the boiling, the Hquorwhich collects below the false bottom is forced by thesteam up to the top of the puffer-pipe, there to l^eejected and spread over the goods. This action is ofan…
Dyes and dyeing
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