The aniline colours of the Badische Anilin- & Soda-Fabrik, Ludwigshafen on Rhine and their application on wool, cotton, silk and other textile fibres (1901)
Night Blue. Wool.Dyed in a neutral bath \\itli basic and certain acid dyes. (Process No 2.) … Wool.Dyed in an alkaline bath with acid dyes of a certain nature. (Process NO 3.)
Coal-tar colors · Dyes and dyeing
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