On aniline and its derivatives [Microform] : a treatise upon the manufacture of aniline and aniline colours / by M. Reimann ; to which is added, an appendix, The report on the colouring matters derived from coal tar shown at the French exhibition, 1867, by A.W. Hofmann, G. de Laire and Ch. Girard ; the whole revised and edited by William Crookes.