This article was originally published with the title “ Homofluoresceine, a New Coloring Matter ” in SA Supplements Vol. 11 No. 271supp (March 1881), p. 4323 doi:10.1038 ...

This article was originally published with the title “ Artificial Production of the Coloring Matter of Madder ” in Scientific American Magazine Vol. 21 No. 4 (July 1869), p. 54 doi:10.1038 ...

DANGEROUS COLORING MATTER USED TO DECEIVE THE PUBLIC. Share full article. May 3, 1884. Credit... The New York Times Archives. See the article in its original context from May 3, 1884, Page 8 Buy ...