Calvert, F. (Frederick) Crace', 1819-1873, Stenhouse, John, Groves, Charles Edward, 1841-1920 · Manchester : Palmer & Howe · leaf 375
n oxidises into the insoluble japonicacid. The process employed is as follows :—A hot decoc-tion of catechu is made, acetic acid or caustic soda beingadded, and the solution filtered through filtering cloth. Iflight shades are required, it is thickened and printed on thefabric, which is then… … CATECHU BROWN (LIGHT SHADE). 338 DYEIXG AXD CALICO PRIXTIXG.
Dyes and dyeing · Calico-printing
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