Practical mechanical drawing and machine design self taught .. (1907)
Westinghouse, Charles. [from old catalog] · Chicago, F. J. Drake & co. · leaf 37
cutting the circumference of the circle at D, B,F and G. Join EF, FB, BG, GD, DA and AE, thisgives the required hexagon. To describe a cycloid, the diameter of the gen-erating circle being given—Fig. 82. Let BD bethe generating circle: Draw the line ABC equalin length to the circumference of the… … Fig. 81. ference of the generating circle parallel to theline ABC and on both sides of the circle. Lay offone division of the generating circle on the lines
Mechanical drawing · Machine design
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