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)
and seven-eighthscams, shown in Figures 279, 280, 281 and 282, are PLOTTING MECHANICAL MOTIONS. 247 drawn by taking the points of their cut-off from thesame scale shown in Figure 274, at the diagonal points6 and 7, intersecting circle E in that figure ; and cut-offcams of intermediate limit of… … Fig. 281. opposite ends of the slides, not from any defect in therule for laying them off, but from the well-known factof the crank pin travelling a greater distance, whiledriven by the piston from the centre of the cylinder,through Its curved path from the cylinder, over itscentre, and back to the…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
