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Blue hair is seen in workers in cobalt mines and indigo works; green hair in copper smelters; deep red-brown hair in handlers of crude anilin; and the hair is dyed a purplish-brown whenever chrysarobin applications used on a scalp come in contact with an alkali, as when washed with soap.

The firm employed 300 academically trained chemists in peace time, but during the war many more were engaged, partly for research and partly because all shell filling was carried out under the supervision of trained chemists." Ludwigshafen. The most influential branch of the I.G. was, undoubtedly, the Badische Anilin und Soda Fabrik.

In the case of volatile substances distillation will be required. The poisons thus sought for are alcohol, phosphorus, iodine, chloral, ether, hydrocyanic acid, carbolic acid, nitro-benzol, chloroform, and anilin. The organic matters are placed in a flask, diluted with distilled water if necessary, and acidulated with tartaric acid.

The Badische Anilin and Soda Fabrik, with a capital of fifty-four million marks has paid dividends in the ten years from 1903 to 1913, averaging over twenty-six per cent.

He tells us how war nitrogen supply was energetically and specifically fostered by the German Government through an Imperial Commissioner under the War Department. One of the three advisers of this campaign was Doctor Bueb, representing the Badische Anilin- und Soda-Fabrik.

By the end of the nineteenth century the manufacture of dyes on a large scale was concentrated almost exclusively in six great firms. These were the Badische Anilin und Soda Fabrik, Ludwigshafen on the Rhine, known as the Badische; the Farbenfabriken vorm. Friedr. Bayer, & Co., in Leverkusen, known as Bayer; Aktien-Gesellschaft fur Anilin-Fabrikation in Berlin; Farbwerke vorm.

The National Council of Safety enumerates fifty-five industrial poisons, thirty-six of which affect the eyes. Absorption of drugs often causes blindness tobacco, wood alcohol, lead, used in so many industries; bisulphide of carbon, used in making rubber; nitro-benzol, used in the manufacture of explosives, and some of the anilin dyes.

Neither availed to prevent the loss of life, but they did succeed in driving away the raiders after their first appearance. Of all the raids carried out during the spring and summer of 1915, one of the most important was that upon Ludwigshafen, in Bavaria. Here the laboratories of the Badische Anilin und Soda Fabrik were located.