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Credit
On aniline and its derivatives : a treatise upon the manufacture of aniline and aniline colours / by M. Reimann to which is added, in an appendix, "The report on the colouring matters derived from coal tar, shown at the French Exhibition, 1867." By A.W. Hofmann ; the whole revised and edited by William Crookes. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.