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. 193. double eye or knuckle joint, as it is sometimes termed,an example that it is desirable for the student to drawin various sizes, as it is representative of a largc^ classof work. EXAMPLES EV BOLTS, NUTS, AND POLYGONS. i^y These eyes often have an offset, and an example ofthis is given in… … Fig. 194. line for the stem distant from the centre line B of theeyes to the amount of offset required.
Mechanical drawing
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