Die Technik im Zwanzigsten Jahrhundert, Vol. 2 Buchkatalog

Excerpt from Die Technik im Zwanzigsten Jahrhundert, Vol. 2: Die Verarbeitung der RohstoffeWenn aud'1 im gegenwärtigen Jahrhundert noch mehr die Wasserkrafte, ja der Wind und die strahlende Energie der Sonne zur Gewinnung motorischer Kraft heran gezogen werden, so dürfte die Kohle trot3dem ihre dominierende Stellung in dem selben langere Zeit behaupten.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.