The Diamond Mines Of South Africa Vol 2 Classic Reprint

Excerpt from The Diamond Mines of South Africa, Vol. 2 The mass of extracted blue ground with corresponding speed and efficiency. For the handling of the mammoth bulk of breccia, through which the tiny, precious crystals were sprinkled in a proportion so infinitesimal, there was a practical call for every feasible stretch of invention in transportation, concentration, assorting Of sizes, and final separation of the gems. The indis pensable reconciliation of thoroughness in extraction with rapidity in working over the ground made the task greatly perplexing. It was only through years of experimenting and progressing from imperfect to improved designs that the present great diamond winning plant of the mines was evolved. If this is still short of ideal suitability to the work, it is simply fair to observe how vast is the stride that has actually been made in a few recent years in diamond - winning methods, from the primitive Indian wooden shovels and drying mats, and the water holes and shak ing plates of the Brazilian. 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.