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 (1883)
new position for the eye or centre O of R. In l^^igure 262 we have a case of a similar lever actua-ting a plunger in a vertical line, it being required to findhow mucli a givcm amount of motion of the long arm willactuate the pli.nger. Suppose the long arm to move PLOTTING MECHANICAL MOTIONS. 227… … Fig. 262. a centre mark arc K, and at the intersection of Kwith J is where the eye I will be when the long armhas moved to A. In Figure 263 are two levers upon their axles orshafts S and S; arm A is connected by a link to armB, and arm C is connected direct to a rod R. It is re-quired to find the…
Mechanical drawing
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