The immedial colours and their application on cotton (1901)
Leopold Cassella & Co., author · Frankfort o.M. : Leopold Cassella & Co. · leaf 101
The cover of the steam box should best be shaped like a roof, be covered inside with felting nailed on to laths, and be slightly overlapping. … The steaming lasts about ‘/a — 3/4 hour, and great care should be taken that no water drops on to the goods during the process. The box may however be opened at any time it closed again, in order to watch the perfect development of the Blue, so long as the want of experience leaves any doubt about…
Dyes and dyeing · Color in the textile industries
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.