Color-Vision and Color-Blindness

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Excerpt from Color-Vision and Color-Blindness: A Practical Manual for Railroad SurgeonsThe dangers of defective Form and Color-sense in railway employés have been set forth so convincingly by the medical profession, both individually and by resolu tions of representative medical bodies, that today practically every railroad company in the country re quires employés to be examined as to their color-sense, vision and hearing. Much of this good work has been done since the publication of this manual in 1896.In preparing a second edition of this book for the press the whole has been carefully revised and the following new matter added.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.