A manual of dyeing: for the use of practical dyers, manufacturers, students, and all interested in the art of dyeing (1919)
Knecht, Edmund, 1861-1925, Loewenthal, Richard, Rawson, Christopher · London : C. Griffin · leaf 105
l pipes (6). On opening the small tap (7), the preparedsolution is slowly drawn into the circulating current, and thus diffusedthroughout the body of water in the tank. The cock (8) is next opened taadmit air through the pipe at the top of the blower, and by reversing thethree-way cock (5) the air… … Fig. 10.—Purifier (Elevation and Plan). way the new precipitate, which is very finely divided, combines mechanicallywith the coarse particles of the mud, and subsidence of the precipitate isthereby greatly accelerated. After the blower has been in operation for about ten minutes the steam isturned…
Dyes and dyeing
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