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)
tch; and where line 1 on the circle intersectsline 1 on the pitch is one point in the curve. Sim-ilarly, where point 2 on the circle intersects line 2 onthe pitch is another point in the curve, and so on forthe whole 24 divisions on the circle and on the pitch,in this view, however, the path of the…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
