Английски език
Excerpt from Petroleum: Prepared Jointly With H. M. Petroleum Department With the Co-Operation of H. B. Cronshaw Crude petroleum, or rock oil, as it occurs in nature, consists of a mixture of complex hydrocarbons, chieży of the paraffin, benzine and naphthene series. The proportion of the several components varies according to the locality from which the oil is derived, and often, oils from different wells in the same field Show variation in composition. 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.
