Lectures on coal tar colours, and on recent improvements and progress in dyeing and calico printing, embodying copious notes taken at the last London International Exhibition.. (1860)
en or black is produced. This mode of printingdirectly on the fabric gives green or blue, so darkas to be almost identical with black. Dark blues imitating indigo have also been produced on a commer-cial scale by this process, and its success was such that if the colourhad not been affected by… … 64 printing the aniline red, purple, or blue, on a solid black or brownground, in which gallic acid has been used instead of the ordinary tan-ning matters, the result of which is, that the black or brown ground ismore easily reduced, so that if he mixes with the aniline colours andanimal mordaunts…
Coal-tar colors · Calico-printing · Dyes and dyeing
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