Essentials of Refraction (Classic Reprint)

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Excerpt from Essentials of Refraction The motif and subject matter of this little book is sheerly and solely refraction. It makes no pretense of being an exhaustive treatise on optics or a text book of diseases of the eye. These departments properly per tain to'the eye specialist, for whom this book was not written. But unfortunately they have drawn after them the simpler practice of refraction, and it is this consideration which has led the author to present the essentials of the latter subject in a separate and dis tinct form. 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.