A practical treatise on dyeing and calico-printing : including the latest inventions and improvements : also a description of the origin, manufacture, uses, and chemical properties of the various animal, vegetable, and mineral substances employed in these arts : with an appendix comprising definitions of chemical terms, with tables of weights, measures, thermometers, hydrometers, &c. (1860)
Parnell, Edward A. (Edward Andrew), Macfarlane, Robert, 1815-1883 · New York : John Wiley · leaf 666
640 [appendix EXP. Fig. 49. … 21. Beyond this a protecting influence is powerfully exerted, and not- withstanding the chemical effect produced over the plate, by the dis- persed light, a line is formed free of mercurial vapor, and which consequently appears black. 22. The green portion of the spectrum is represented in its true…
Dyes and dyeing · Calico-printing · Coal-tar colors
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
