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Excerpt from Text Book of Mechanical Drawing: Being an Explanation of the Principles of Geometry and Orthographic Projection, the Helix, and Toothed Gearing as They Are Applied by Mechanical Draughtsmen, With Rules for Screw Cutti ... celý popis
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Excerpt from Text Book of Mechanical Drawing: Being an Explanation of the Principles of Geometry and Orthographic Projection, the Helix, and Toothed Gearing as They Are Applied by Mechanical Draughtsmen, With Rules for Screw Cutting The projections from all points of an object perpendicular to these planes of projection are called orthographic projections. The projection on hh is called the top or plan, on av the front elevation, and on c the side elevation. It can readily be seen without any reference to the planes that these views are arranged as common sense would suggest, bringing the top to the top, the front to the front, and the side to the side. In the illustrations the small letters h and xv are us'ed with all other letters to indicate in one case the horizontal and in the other the vertical planes. 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.
Zařazení knihy Knihy v angličtině Mathematics & science Mathematics Geometry
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