How to Make Patent Drawings

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. I. Instruments and Materials. II. Use of Instruments. III. Penciling the Drawing. IV. Inking the Drawing. V. Sections and Section Lining. VI. Outline Shading. VII. Surface Shading. VIII. Lettering the Drawing. IX. S...