Industrial drawing and geometry; an introduction to various branches of technical drawing (1911)
Spooner, Henry John, 1856- · London, New York [etc.] Longmans, Green, and co. · leaf 103
ting P 11 in Z, and with the same centre,radius P 10, describe an arc cutting P 10 in h, and so on for the otherpoints, j, i, h, etc. A flowing line drawn through these points fiom AwUl terminate in P the pole. Notes.—1. It will be seen that the radii vectores. Pi, Vk, Fj, etc., getshorter by the… … Fig. 248.—Arohimedian spiral. Pig. 249.- G B Curve of sines. The part of the curve Fbcdefg, if reproduced on the other side, making a figure symmetrical about the e, etc., along the respective radii vectores, the uniformly revolving about an axis through the pole P.line Fg, gives the form of a cam…
Mechanical drawing · Geometrical drawing
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