Machine Drawing: A Practical Guide to the Standard Methods of Graphical Representation Machines, Including Complete Detail Drawings of a Duplex Pump and of a Direct-Current Generator (Classic Reprint) - Hardcover

Charles L. Griffin

9780266279785: Machine Drawing: A Practical Guide to the Standard Methods of Graphical Representation Machines, Including Complete Detail Drawings of a Duplex Pump and of a Direct-Current Generator (Classic Reprint)

Hardcover

ISBN 10: 0266279783 ISBN 13: 9780266279785

Publisher: Forgotten Books, 2018

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Excerpt from Machine Drawing: A Practical Guide to the Standard Methods of Graphical Representation Machines, Including Complete Detail Drawings of a Duplex Pump and of a Direct-Current Generator

Lines. The secret of a clear drawing, as far as the line work is concerned, lies not only in absolute uniformity in the making of the lines, but in choosing certain characteristic lines to convey differ ent ideas. The most common kinds of lines used are shown m Fig. 1 and described below, and the purposes of their use are stated.

F ull Lines. Full lines represent the portions of the object which are Visible; they should be bold and clear, heavy on detail drawings, say 31 - 2 wide, and lighter on an assembled drawing.

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