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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 (1883)

Rose, Joshua · Philadelphia, H.C. Baird & Co.; London, S. Low, Marston, Searle & Rivington · leaf 294

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, 1883, leaf 294
^^-^-^ ?- 2 . 4 „ C J- I —1 I. Fig. 2^ … °age 275.) ( EXAMPLES EV LEXE-SHADEXG. 275 however, depends on die state of the flanges^ as some-times they are very rough, while at others very Httleis necessary to true them up. The time required forputting on the plate containing the furnace mouthsand cutting out three holes 2 feet 6 in. in…

Mechanical drawing

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