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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)

Rose, Joshua · Philaelphia, H.C. Baird & co.; [etc., etc.] · leaf 174

An illustration from 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, leaf 174
, (Page 169.) CHAPTER IX. EXAMPLES FOR PRACTICE. Figure 217 represents a simple example for prac-tice, which the student may draw the size of the en-graving, or he may draw it twice the size. It is a … Fig. 217. locomotive spring, composed of leaves or plates, heldtogether by a central band. Figure 218 is an example of a stuffing box andgland, supposed to stand vertical, hence the gland hasan oil cup or receptacle. In Figure 219 are working drawings of a couplingrod, with the dimensions and…

Mechanical drawing

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