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 (1889)
Brasses for h Fisf. 2I<* Sole for Set-Screw yll Tapped 14 Threads Front Elevation ofHod, without Brass. ^ I 7 rough C- D^ mds ivill be cast from the same patterns. SCALE OF INCHES. … Back lElevaticn of Brass (Page 169.) CHAPTER IX. EXAMPLES FOR PRACTICE. Figure 217 represents a simple example for prac-tice, which the student may draw the size of the en-graving, or he may draw it twice the size. It is a
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.