
Technical Drawing – Fundamentals, CAD, DesignDavid L. Goetsch, John A. Nelson, William S. Chalk
Technical Drawing – Fundamentals, CAD, DesignSecond EditionDavid L. GoetschJohn A. NelsonWilliam S. ChalkBrief ContentsPREFACE xSECTION ONE • BASICSIntroduction 2 I Drafting Instruments and Their Use 22 2 Lettering, Sketching, and… أكمل القراءة ←