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 380
COLOUR MANUFACTURE 358 line minerals, such as barytes, iron-stone, slate, &c, must first be treated in crushing machines or stamping mills, so as to reach the edge-runners in the form of small bits, and pass thence to the mills. The ground material rarely … diminution of the output. For many purposes, however sifting is unavoidable, and this operation, which differs in no way from that described for the artificial mineral colours, will therefore be dealt with in each case where it has to be employed. The mills and ball mills having been already fully…
Pigments · Coloring matter · Dyes and dyeing
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