Practical mechanical drawing and machine design self taught .. (1907)
Westinghouse, Charles. [from old catalog] · Chicago, F. J. Drake & co. · leaf 34
The erect angle ABCD will bethe required shape of the beam. GEOMETRICAL PROBLEMS 31 To divide any triangle into two parts of equalarea—Fig. .68. Let ABC be the given triangle:Bisect one of its sides AB at D and describe thesemicircle AEB. At D erect the perpendicular DEand with center B and radius… … Fig. 68. Fig. 69. ameter in a given triangle—Fig. 69. Bisect theangles A and B, and draw the lines, AD, BD whichintersect each other at D. From D draw the lineCD perpendicular to AB. Then CB will be theradius of the required circle CEF. To construct a square equal in area to a givencircle—Fig. 70.…
Mechanical drawing · Machine design
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