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 340
ackBH with Beta-Naphtol, the quantity of colouring matter is reducedaccording to the depth of the blue desired. Diazotising and Developing in the ContinueMachine. The diazotising and developing of piece-goods in the con-tinue machine has given excellent satisfaction. This system maytherefore be… … ABC A is the diazotising box which contains the nitrite and hydrochloric acid, and is fed from the two reservoirs 1 and II.B is the rinsing box containing acidulated water.C is the developing box and is replenished from reservoir III. The reservoirs are formed by tubs placed in an elevatedposition…
Dyes and dyeing
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