The dyeing of cotton and other vegetable fibres with the dyestuffs of Leopold Cassella & Co. Frankfort o. M (1902)
Leopold Cassella & Co · Frankfort o.M. : Leopold Cassella & Co. · leaf 315
ed, and dried or sized. The acetate of soda may also be added to thesize, 3—5 oz being sufficient for every 10 gallons. II. Dyeing in large Warp-Dyeing Machinesin one passage. Before dyeing, the warps are boiled off in a machine, the■ first box of which contains weak caustic soda lye and the… … This machine consists of a system of three boxes connectedwith each other, each having a capacity of 175—200 gallons. Anadditional fourth, and sometimes a fifth, box serves for washing. The dye-bath is prepared as follows for the First bath: 5 oz soda ash1 j-2 lbs cryst. sodium sulphide2V» .i…
Dyes and dyeing
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