Proceedings Of The Yorkshire And Polytechnic Society PDF Download

Excerpt from Proceedings of the Yorkshire Geological and Polytechnic Society, 1878-1881, Vol. 7 On a Chemical Method of Distinguishing Black Obsidian from Black Blast Furnace Slag. By W. H. Wood, f.g.s. On Traces of Ancestral Relations in the Structure of the Asteroidea. By W. Percy Sladen, f.g.s. On the Geology of the District around Middlesborough. Veitch. (abstract. 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.