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)
s shown by theline D, which is the full diameter across corners. Thisis apparent, because from point O, along line O B, to1, thence to the dot, thence down to line 1 on O P, and EXAMPLES IN BOLTS, NUTS, AND POLYGONS. 137 along that to O, encloses a square, of which either fromO to the dot, or the… … Fig. 182. After graphically demonstrating the correctness ofthe scale we may simplify it considerably. In Figure182, therefore, we have applications shown. A is ahexagon, and if one of its sides be measured, it will CHAN/CAL DRAWIXG SELF-TAUGHT. j be found that it measures the same as along line…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
