"Coal tar" Quotes from Famous Books
 ... Aside from its use as fuel, upon which civilization is dependent, coal is a source of an endless variety of valuable products. It is the source of our illuminating gas, and ammonia is one of the products of the gas manufacture. From the coal also comes coal tar, the material from which such a long series of valuable materials, as aniline colours, carbolic acid, etc, is derived. The list of products which we owe to coal is very long, and the value of this material is hardly to be overrated. ...
— The Story Of Germ Life • H. W. Conn
... artificial dyes are less permanent than natural ones. This is seldom the case; as a matter of fact, some of the fastest and most valuable dyes are now made artificially and many are not procurable from vegetable coloring matters. Most of the cheaper dyes made from coal tar are fugitive; that is, they fade in sunlight or water or in both. They are often still further cheapened by being adulterated with salt, dextrine and the like. Such are the colors which are usually sold by the Chinese tienda keepers and ...
— Philippine Mats - Philippine Craftsman Reprint Series No. 1 • Hugo H. Miller
... the damp cellar walls may not pass up into the above ground portion, which is naturally dry. These damp courses, in their simplest form, consist in bringing the masonry level around the building, and painting the top surface with liquid coal tar. ...
— Rural Hygiene • Henry N. Ogden
... Garrettsville, Ohio.—This invention consists of tiles saturated with raw coal tar, made in the same way as ordinary brick, having all the edges bevelled, being thicker at one end, and laid upon the roof with the thicker end towards the eaves, and the spaces between the tiles formed by the bevelled sides of the same filled with ...
— Scientific American, Vol. 17, No. 26 December 28, 1867 • Various
... whose projecting eaves form deep shady verandahs, surmounts walls of split bamboo, supported by raised platforms of tamped earth, windows being absent and chimneys unknown; the ceiling is painted like coal tar by oily soot, and two opposite doors make the home a passage through which no one hesitates to pass. The walls are garnished with weapons and nets, both skilfully made, and the furniture consists of cooking utensils and water-pots, mats for bedding, logs of wood ...
— Two Trips to Gorilla Land and the Cataracts of the Congo Volume 1 • Richard F. Burton
... are taken in hand, branches which can be spared, and whose removal is necessary to obtain a proper length of stem, are very smoothly cut off quite close to the trunk, and the exposed surface is IMMEDIATELY brushed over with mineral-coal tar. When thus treated, it is said that the healing of the wound is perfect, and without any decay of the tree. Trees trained by De Courval's method, which is now universally approved and much practised in France, ...
— The Earth as Modified by Human Action • George P. Marsh
... grapes in pots, vegetables and plants. A portion of the roof on the south side can be raised when it is desirable to harden off the plants in spring. The foundation is of wood, locust posts being used, with boards nailed upon both sides and coated with coal tar. The house is forty one feet long and sixteen feet wide, and is heated by a tank constructed as follows: brick piers are built three feet apart on which are laid common blue flag stones six feet long and two feet wide. The sides ...
— Woodward's Graperies and Horticultural Buildings • George E. Woodward
... artificial flavorings are of two kinds: those having for their basis substances extracted from coal tar and those prepared by various chemical combinations. They are also known as synthetic flavors. With regard to both healthfulness and taste, they are not so desirable as the ...
— Woman's Institute Library of Cookery, Vol. 5 • Woman's Institute of Domestic Arts and Sciences |
