Publisher's Synopsis
Excerpt from The Armour Engineer, Vol. 21: November, 1929
HE rapid advance of scientific I knowledge has brought so many wonders within our grasp, that there is a tendency to take many of our present day developments for granted. For every new discovery that is made today, there will be many applications tomorrow. Emission of electrons, caused by a ray of light on an active metal, a scientific novelty of yesterday, today finds endless uses. Without the photo-electric cell, who could dream of television or of the telephotograph sys tem? Every day photographs are sent from coast to coast; the process is tak en as a matter of course, but few know the methods employed in accomplishing this feat. 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.
