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)
Fig. 313—Section of Pillow Block. tlie crank wheel has a circular oroove around its out-side, and that a corresponding groove in the crankwiicel proj(!cts over this groove. I^rom this lattergroove an oil hok^ of liberal size extends, as shown, totlu! surface of the crank-pin. Any oil placed at… … JK- 314—^^^oNNiXTiNi: Rod. (Page 295.) EXAMPLES IX ENGINE WORK. 295 gravity Into the groove In the crank wheel, and Is car-ried by centrifugal force to the outside surface of thecrank-pin ; so that whatever other means of lubricationmay be employed, this one will always be positive inits action.…
Mechanical drawing
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