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 209
the crank in eight positions. With A as centre, and radius AB, draw an arc. With K ascentre, and radius equal to BD, set off on this arc the point k. i88 PRACTICAL PLANE GEOMETRY chap. Join KJc. Eepeat tliis operation from eacli of the points on thecircle in succession ; e.fj. with the same radius… … 7-1^ K.k, Mm, etc., from the points on the circle, a distance equal toDd, which will give the points e, /, g, h, k, m, and n. Drawa fair curve through these points. This will complete one-halfof the required curve traced by the movement of the lever ABfrom m to h. The return from h to m is found in…
Geometrical drawing
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