Drop Forging, Die Sinking and Machine Fo
โ Woodworth J.V.
๐ Library
๐ German
New York: The Norman W. Henley Publishing Company, 1911. - 341 p.<div class="bb-sep"></div>Introductory<br/>Die-sinking and drop-forging practise and design for modern forging, pressing, and stamping of duplicate metal parts<br/>Die-sinking and embossing practise methods, processes, machines, and to