The Mechanic´s Text-Book and Engineer´s Practical Guide
| Preis: | 21.95 EUR* (inkl. MWST zzgl. Versand - Preis kann jetzt höher sein!) |
| Versand: | 0.00 EUR Versandkostenfrei innerhalb von Deutschland |
| Partner: | buecher.de |
| Hersteller: | Forgotten Books (Kelt, Thomas) |
| Stand: | 2015-08-04 03:50:33 |
Produktbeschreibung
Excerpt from The Mechanic´s Text-Book and Engineer´s Practical Guide: Containing a Concise Treatise on the Nature and Application of Mechanical Forces; Action of Gravity; The Elements of Machinery; Rules and Tables for Calculating the Working Effects of Machinery; Of the Strength, Resistance, and Pressure of Materials; With Geometry is the science which investigates and demonstrates the properties of lines on surfaces and solids; hence, Practical Geometry is the method of applying the rules of the science to practical purposes. 1. From any given point?in a straight line, to erect a perpendicular; or, to make a line at right angles with a given line. On each side of the point A, from which the line is to be made, take equal distances, as A b, A c; and from b and c as centres, with any distance greater than b A, or c A, describe arcs cutting each other at d; then will the line A d be the per-pendicular required. 2. When a perpendicular is to be made at or near the end of a given line. With any convenient radius, and with any distance from the given line A b, describe a portion of a circle, as b Ac, cutting the given point in A; draw, through the centre of the circle n, the line b n c; and a line from the point A, cutting the intersections at c, is the perpendicular required. 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.
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