Excerpt from The Low Temperature Distillation of a Wyoming Coal: A Thesis There has been a comparatively small amount of research done in investigating the distillation of caal at low temperatures. According to Wagner1 low temperature carbonization has received but little attention in the United States, but quite some successful work has been done in this direction in Europe. The work in Europe has had as its principal obgect the production of a smokeless fuel from bituminous coals. Parrz says of q coalite a fuel of this sort produced in England Since 1907, under a British patent, the method consists in subjecting any bituminous coal to a temperature approaching 8000 F 426c) in a closed rect angular retort, placed vertically in a gas fired furnace for about eight hours. According to the claims made for coalite, the yield and by - products W111 compaie favorably with those obtained in the manufacture of illuminating gas. Parr and Olin have given considerable attention 1. Agner Coal and Coke, Chapter XIII. 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.