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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 18

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 18
chanism; shaft for thecam plate; cross head; side view and section through the centre of the eccentric and strap 293 Construction of the connecting rod 294 Index 295 Mechanical Drawing 8ELF-TATJGHT. CHAPTER I. THE DRAWING BOARD. A Drawing Board should be of soft pine and freefrom knots, so that it… … requisites in making a good drawing. Its edgesshould be straight and at a ri^ht an^le one to theother, and the ends of the battens B B in Figure l 2 (17) jg MECHANICAL DRAWING SELF-TAUGHT. should fall a little short of the edge A of the board, sothat if the latter shrinks they will not protrude.…

Mechanical drawing

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