Colors In Coal Tar

The secret of the proüuction 01 ooiur is not yet revealed. The unrivaled hues of the tulip and the rose are formed from the black soü. But how? Kone can say. Yet one is no less startled by the endless variety of color now produced from coal tar. From that apparently useless substance perfumes, medicines and sweetencrs have been formed which have startled men. But color appeals to the eye. Only thirty-six years ago. says Longman's Magazine. Perkin "prathered up the fragments" in coal tar and produued the beautiful mauve dye. Now, from the greasy material which was considered useless is produced madder, which makes coal tar worthL100 a ton. This coloring matter alone now einploys an industry of L2.000,000 per aunum. One ton of good cannel coal, j wlu-n distilled in gas retorts, leaves twelve gallons of coal tar, from which are produced a pound of benzine, a pound of toluene, a pound and a half of phenol, six pounds of napthalene, a small quantity of xylene and half a pound of anthracene for dyeing Aecordinff to Roscoe, there are sixteen distinct yellow colors, twelve oranje, tliirty red, fifteen blue, seven green and nine violet, besides a number of browns, and an infinite number of blendinfrs of all shades. What a marvelous color-producer is coal tar.