Mechanical Drawing Self-Taught Comprising instructions in the selection and preparation of drawing instruments, elementary instruction in practical mechanical drawing; together with examples in simple geometry and elementary mechanism, including screw threads, gear wheels, mechanical motions, engines and boilers

CHAPTER XIII.

Chapter 1268 wordsPublic domain

EXAMPLES IN LINE-SHADING AND DRAWING FOR LINE-SHADED ENGRAVINGS.

Arrangement of idle pulleys to guide bolts from one pulley to another; representation of a cutting tool for a planing machine 264

Drawings for photo-engraving 267

Drawing for an engraver in wood; drawings for engravings by the wax process 268

Engraving made by the wax process from a print from a wood engraving; engravings of a boiler drilling machine 269