Posselt, E. A. (Emanuel Anthony), 1858-1921 · Philadelphia : E.A. Posselt ; London : Sampson Low, Marston and Co. · leaf 255
" This oxidation discharging and rendering the operation of the ma- takes place whether the color is in an alkaline solu- chine practically continuous during the working; tion or in the fibre of the material to be dyed. It is hours of the day. absolutely necessary in order to get a color at all,… … It is this combination which solves the problem Fig. 1. of dyeing sulphur colors without bronzing or streaks 1st. Scientific packing to insure uniform dyeing. and with a saving of at least 20% of the dyestuff 2nd. Hydroextraction in vacuum before washing to formerly used. prevent untimely oxidation…
Textile machinery · Weaving
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