Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 191
e througli all the points, which will be the epicycloidrequired. At any point t to draw a tangent and normal to the curve,proceed as follows. Draw the arc tt concentric to the arc ABtill it meets the generating circle in t. Join tA. With t ascentre, and radius equal to tA, draw an arc intersecting… … generator outside the circumference of the rolliiisc circle M. XVI CYCLOIDAL CURVES, ETC. 171 Make AB equal in length to half the circumference of the circleM, and divide it into any number of equal parts, say six (Prob.14). Divide half of the circle M into the same number ofequal parts. With C as…
Geometrical drawing
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