. Journal. and the bobbin and wool, orhalf-wool, dried. The paper bobbin can now be removedby means of a wooden implement without disturbing thefibre surrounding it. A perforated bobbin of metal, orof other material resistant to the chemicals to be used,is now inserted and the yam is dyed, bleached or other-wise treated bv forcing the necessary liquids through. —E. F. Shaded Effects on Dyed Fabrics ; Method of Producing . Rheinische Webstuhl- und Ajipreturmaschineu- fabrik, Fr. Pat. , July 5, Int. Conv., Jan- 6, 1905. The fabric, 2, is suspended from one selvage abov
. Journal. and the bobbin and wool, orhalf-wool, dried. The paper bobbin can now be removedby means of a wooden implement without disturbing thefibre surrounding it. A perforated bobbin of metal, orof other material resistant to the chemicals to be used,is now inserted and the yam is dyed, bleached or other-wise treated bv forcing the necessary liquids through. —E. F. Shaded Effects on Dyed Fabrics ; Method of Producing . Rheinische Webstuhl- und Ajipreturmaschineu- fabrik, Fr. Pat. , July 5, Int. Conv., Jan- 6, 1905. The fabric, 2, is suspended from one selvage above thevat, 14, being either folded lengthwise (see Fig. 2) or woundinto a spiral (Fig. I). It is then slowly and regularlyimmersed in the dye-vat, and finally quickly raised out ofthe liquid. By this means, the lower selvage of the fabricbeing immersed for the longest period, is most deeplydyed, and the shade diminishes uniformly in intensitytowards the upper selvage. If the piece be required dyed Fig. Fig. 2. <2r^ ^ ~p^ ^ ~p^ ^z\.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
