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)
2 are then drawnfor the leno-ths, and it remains to draw the curves in.In drawing these curves great exactitude is requiredto properly find their centres ; nothing looks worse ina drawine than an unfair or uneven junction betweencurves and straight lines. To find the location forthese centres, set… … Similarly for the curve h, set the compasses on iand mark the arc g, and from the point where Itcrosses line 6, draw the curve h. In inking in it isbest to draw in all curves or arcs of circles first, andthe straight lines that join them afterward, because. Ifthe straight lines are drawn first, it-…
Mechanical drawing
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