The coal tar colours of Farbwerke vorm. Meister, Lucius & Brüning, Hoechst on Main, Germany, and their application in wool dyeing (1910)
Farbwerke vorm. Meister Lucius & Brüning · New York, H. A. Metz · leaf 197
ebs are treated before dyeing,with 10-20% Glaubers salt at the boil and then dyed in a fresh bath with 20% Glaubers saltand without any addition of acid; sometimes even Borax or Soda (up to 1 %) is added to this bath.The goods are entered at 104. °F, the temperature raised in 1 hour to near boiling… … The dyeing of wool and hair hats. 1 - . the temperature is lowered to 160 ° F. but it is afterwards again raised to the boil, and thematerial worked for /a an hour near boiling point. Regarding the dyeing to shade, it mustbe borne in mind that webs are generally dyed darker than the pattern,…
Dyes and dyeing
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