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)
epoint of the compass is rested at C, and arc D isdrawn; giving the centre for the curve F by a similar ISO MECHANICAL DRAWING SELF-TAUGHT. process on the other side of the figure, curve G isdrawn. Point C is obtained by drawing the dottedline across where the outHne curve meets the stem.Suppose…
Mechanical drawing
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