Excerpt from Display Animation, 1938: The Year Book of Motion Displays At the top center, a replica of a huge electric furnace pouring molten steel and with appropriate lighting ts, gave it a natural glow. The illusion increased as the molten steel burst into myriad ashes of light. 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 techlogy 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.