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)
f thework by a hard gearing, which consists of the handwheel a seen in the plan and in the front elevation.Figure 305, which drives the pinions b and b\ whichoperate screws for the slides c and c\ the latter beinga left-hand screw. The front rolls e and e are, there-fore, held in a fixed position,…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
