Book excerpt: Excerpt from The Journal of the Chemical, Metallurgical and Mining Society of South Africa, Vol. 10: July, 1909 June, 1910 Members, Associates and Students are requested to notify the Secretary Of any inaccuracies in the following List, and also to immediately advise him of any change in address, otherwise it will be impossible to guarantee the delivery of Notices or Journals. 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.