A treatise on colour manufacture : a guide to the preparation, examination, and application of all the pigment colours in practical use (1908)
Zerr, Georg, Rübencamp, R. (Robert), Mayer, Charles · London : C. Griffin · leaf 70
, BB\ by turning which the admission of hot air into the drying-rooms can be regulated as required. The necessary ventilation of the drying-rooms is most suitably effected at the middle of the ceiling, as shown in Fig. 33. The spent, moisture-laden air is drawn off through iron or wooden pipes,… … partly direct by bolting together their own flange connections. The steam (preferably direct) for heating the room enters at A, and can be conducted to either side by the valves V and W as desired. In both cases the steam escapes from the room at B, into a condenser, unless required for heating…
Pigments · Coloring matter · Dyes and dyeing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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