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 243
r the following day. The Diamine Colours are applied in ordinary dye-vats andrecently also very frequently in dyeing machines. When dyeing in open barks, the liquor should be heated byclosed steam-pipes, as open steam increases its volume too much,which should if anything diminish towards the end… … A: closed, B: open steam-pipe. During the dyeing proper, the closed steam-pipe A is usedalone, whilst the open steam-pipe B serves chiefly for bringingthe bath quickly to the boil before the dyeing begins. Particulars regarding the preparation of the first bath, the additions to be made to the…
Dyes and dyeing
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