The variety of these fabrics has of late years considerably increased, which increase may be largely ascribed to the introduction of the direct dyeing colouring matters-the diamine dyes, the Benzo dyes, the Congo and the Zambesi dyes; for in the dyeing of wool-cotton fabrics they have made a revolution.
"The Dyeing of Woollen Fabrics"
Franklin Beech
Second bath, diamine Sky Blue, as given above.
"The Dyeing of Woollen Fabrics"
Franklin Beech
Because he found iron in an extract of Pholas dialyzed for a long time against running water, Dubois considers that it is associated with iron, and reports that it will oxidize the ordinary oxidase reagents, such as pyrogallol, gum guaiac, a-naphthol and para-phenylene-diamine, etc.
"The Nature of Animal Light"
E. Newton Harvey