Johnston, Philip Devereux, 1855- · New York, D. Williams Company · leaf 82
FiG.28 … It y8 A MANUAL OF MECHANICAL DRAWING, Plate 20. The Hypocycloid. The method of drawing this curve is the same as This is a curve which is described by any point in the that employed in drawing the epicycloid. A lengthy circumference of a wheel which is rolling on the inside description would only…
Mechanical drawing
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