Garment dyeing. Cassella Color Company (American branch of Leopold Cassella & Co.) (1910)
Cassella Color Company · New York · leaf 27
yed from grey to black by this processwiilioul staining the wool to any extent, which can thenbe dyed in a fresh acid hath to any shade. This verysimple way Leads to quite excellent results for navy,darl green, brown and black shades. Ii bas to be borne in mind thai the quantity of acidused for… … Wool undyed.
Dyes and dyeing
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