Calvert, F. (Frederick) Crace', 1819-1873, Stenhouse, John, Groves, Charles Edward, 1841-1920 · Manchester : Palmer & Howe · leaf 240
RESIST AND DISCHARGE. When the object in view is to produce a self-colour, amuch more rapid process is adopted. Pieces of calico,from which all the sizing material has been removed, aremade to pass over a series of rollers a,b,c,d, in the vat, A, … i*;i;^>~Si^^\^^-$SSS^^ Fig. io. Fig. 10, containing reduced indigo, copperas, and causticsoda, which is maintained at a temperature of 1500 F.; thenthrough the rollers e into another vat, B, containing dilutesulphuric acid, which neutralises the alkali and throws INDIAN VAT. 203 down the white…
Dyes and dyeing · Calico-printing
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