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But it may be asked, "How does that highest and best method of classifying the dyestuffs affect the users, the dyers, in their processes?"

Koenig, slipped into port at Baltimore, after eluding British warships in the North Sea, English Channel, and Atlantic. The Deutschland carried as cargo nearly a million dollars' worth of dyestuffs, as well as important mail. The owners announced that she was the first of a regular fleet to be placed in service between German and American ports, to thwart the British blockade.

For years, these great commercial companies supplied all the countries of the world not only with dyestuffs and other chemical products but also with medicines discovered by their chemists and made from coal tar; which, although really nothing more than patent medicines, were put upon the market as new and great and beneficial discoveries in medicine.

Later on the German Department of the Interior, at whose head was Delbruck, refused to allow dyestuffs to leave Germany except in exchange for cotton, and, finally, the export of dyestuffs from Germany ceased and other countries were compelled to take up the question of manufacture.

Look to me like dyestuffs. Let's get nearer," he urged, "up there by the fall." We scrambled along the steep banks and got close to the pool that foamed and boiled beneath the falling water. Here we searched the border and found traces of color beyond dispute. More Jeff suddenly held up an unlooked-for trophy. It was only a rag, a long, raveled fragment of cloth.

Just such peculiar quasi-acid, or phenolic substances are Alizarin, and most of the natural adjective dyestuffs, the colouring principles of logwood, cochineal, Persian berries, etc. Hence these substances will be combined and carried down with such precipitated basic salts. The complex compounds thus produced are coloured substances known as lakes.

Many manufacturers of textiles, the users of dyestuffs, medicines, seeds and chemicals in all forms, were clamouring for certain goods and chemicals from Germany. But it was the prohibition against export by the Germans which prevented their receiving these goods.

The number of coal-tar colours is thus very great, and the variety also. Adjective Colours. As regards the artificial coal-tar adjective dyestuffs, the principal are Alizarin and Purpurin. These are now almost entirely prepared from coal-tar anthracene, and madder and garancine are almost things of the past.

Loaded with a cargo of dyestuffs and chemicals she left Bremen on June 14, 1916, and arrived in Baltimore early in July. After a short stay, during which she took on a full return cargo, consisting chiefly of rubber and metal, she started on August 1, 1916, for her return trip to Bremen where she arrived safely soon after August 15, 1916.

Further, Dr. Albert, cabling to the German Government in April, 1916, on the export of dyestuffs, tells us: "The hope was entertained of bringing American industries which were solely dependent upon German deliveries of dyestuffs into a position that they would have to insist on the importation of dyestuffs under the conditions demanded by Germany."