Chlororubian, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Chlororubian
Nitro isatin semicarbazone, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Nitro Isatin Semicarbazone 1840s-1900
Chrysazol, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Chrysazol
Isatin semicarbazide, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Isatin Semicarbazide 1840s-1900
Acetyl phenylhydrazone of isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Acetyl Phenylhydrazone of Isatin 1840s-1900
Diacetylanthrarufin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Diacetyl Anthrarufin
Rubiacine (from Rubiacate of potash), a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Rubiacine
Benzoyl ruberythric acid, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Benzoyl Ruberythric Acid
Bromo rubiadine, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Bromo Rubiadine
Dithioisatyd, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Dithioisatyd 1840s-1900
Diphenyl isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Diphenyl isatin 1840s-1900
Oxime of m-chloroisatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Oxime of m-chloroisatin 1840s-1900
Rubiadin glucoside (from madder), a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Rubiadin
Dioxime of acetyl pseudo-isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Dioxime of acetyl pseudo-isatin 1840s-1900
O-amido phenyline isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; O-amido phenyline isatin 1840s-1900
Chrysarobin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Associated Chemist, Merck. Dye Sample; Chrysarobin
Anthrarufin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Anthrarufin
P-nitro isatin semicarbazide, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; P-nitro isatin semicarbazide 1840s-1900
Rubiretine, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Rubiretine
Diacetyl rufol, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Diacetyl rufol
Nitro Isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Nitro Isatin 1840s-1900
Isato ethyloxime, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Isato Ethyloxime 1840s-1900
Methyl phenylhydrazone of isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Methyl phenylhydrazone of isatin 1840s-1900
Box of "Velvotint" powder colours for tinting photographic prints by J. Barnard & Son London. Outfit no.217 containing 12 colours 23 stamps, handbook, advert, brush, all in polished mahogany box c1904 Box of 'Velvotint' powder colours 1900-1909
Rufigallic acid, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Rufigallic Acid
Octa acetyl ruberythric acid, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Octa Acetyl Ruberythric Acid
Rubiadin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Rubiadin
Triacetyl anthragallol, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Triacetyl anthragallol
Rumicin (chrysophanic acid) (from rumex root), a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Rumicin 1840s-1900
Methylpseudo-isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Methylpseudo-isatin 1840s-1900
Chrysarobin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Associated Chemist, Lieberman. Dye Sample; Chrysarobin 1840s-1900
Acetyl isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Acetyl Isatin 1840s-1900
Rufoll, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Rufoll
Diazetyl Oxanthronol, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Diazetyl Oxanthrono 1840s-1900
Hexa acetyl rufigallic acid, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Hexa Acetyl Rufigallic Acid
P-methyl isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; P-methyl Isatin 1840s-1900
Phenylhydrazon of isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Phenylhydrazon of Isatin 1840s-1900
Rubianine, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Rubianine
Acetyl nitro isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Acetyl Nitro Isatin 1840s-1900
Perchlororubian, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Perchlororubian
Oxime of isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Oxime of isatin 1840s-1900
Chlororubiadine, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Dye Sample; Chlororubiadine