International Projectionist, Vol. 13

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Excerpt from International Projectionist, Vol. 13: January-December 1938It is true, as stated, that the Simplex is a 90° movement, but here is the joker: some time is lost while the cam pin is entering and leaving the star slot, Actually the movement of the sprocket occurs in 72° because of this lost time.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.