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Excerpt from Handbook on Care and Operation of Gasoline Engines When crude Oil is Slightly heated gases are given Off which may be condensed to a liquid by cooling. This liquid is not at all like the original oil, but is quite colorless, light as compared with crude oil, and easily vaporized (changed to the form of gas) by slight heating. The crude oil, if further heated, con tinues to give ofi gases which, when condensed, form a liquid much like that first obtained, but slightly heavier and not quite so easily vaporized. This process can be continued and a whole series of liquids Obtained, each slightly heavier and less easily vaporized than the one before it, until the product is no longer colorless, but yellow, green, or brown. The first liquids thus obtained are not of much use commercially. They vaporize so rapidly that explosive gas is generated at ordinary temper atures, making these oils too dangerous for ordinary use. After these, however, comes a series of oils which are of great value in modern life, known as gasoline, kerosene, and lubricating oils. Gasoline is the part of crude Oil obtained after the lighter liquids referred to above have been distilled OE and while the heating proceeds from about 230 F. To about 280 F. Kerosene is obtained as the distillation continues between 280 and After that, lubricating oils are produced. The remainder, a thick, heavy, sticky oil, is suitable for use as fuel, and is used in some parts of the country for firing locomotives, making steam for factories and power plants, and as fuel on steam vessels. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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