A manual of dyeing with the dyestuffs of the Cassella color company, New York .. (1911)
Cassella Color Co. (New York, N.Y.) · New York, Cassella color co. · leaf 199
mpleted, usually with 4—6passages. Dyeing being completed, the warps are rinsed in coldwater. The dyeing may however also be done in large con-tinuous dyeing machines similarly as described for OxyDiamine Black on page 179. The diazotising and developing is carried out cold bygiving one passage… … Two small wooden kegs (I and II) are placed abovethe diazotising vat, one containing the dissolved nitriteof soda, the other dilute hydrochloric acid. For 100 lbsof warps, the following quantities are required:3 lbs nitrite of soda dissolved in 10 gallons water and 10 lbs hydrochloric acid mixed…
Dyes and dyeing
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