Excerpt from The Chemistry of Germanium: A Thesis Presented to the Faculty of the Graduate School of Cornell University for the Degree of Doctor of Philosophy<br><br>These investigations were undertaken at the suggestion and under the direction of Professor L. M. Dennis. The author wishes to express his gratitude for the invaluable aid received. He wishes also to acknowledge his indebtedness to Mr. A. W. Bull who as sisted in getting the work started; to Mr. R. W. G. Wyckoff for help in making the spectrum analyses and in reading the spectro graphs; and, to the New Jersey Zinc Company for the supply of germanium concentrates which made the investigations possible.<br><br>About the Publisher<br><br>Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com<br><br>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.