Excerpt from Laboratory Manual of Bituminous Materials: For the Use of Students in Highway Engineering During the past five years a number of our leading universi ties have inaugurated courses in highway engineering in which laboratory instruction is given in the testing of bituminous materials. A general tendency appears to exist upon the part of many other educational institutions to develop the same line of activity because of the desire of highway engineers through out the country to familiarize themselves with these materials. 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.