Practical engineering drawing and third angle projection, for students in scientific, technical and manual training schools and for ... draughtsmen .. (1897)
Willson, Frederick Newton, 1855-1939 · Princeton, N.J., The author · leaf 81
R.This cuts the axis at A and B, the extreme points ofthe curve; for k = F^ A X F-^ B. Any other point Tm.ay be obtained by drawing from F^ a circular arc ofradius F^ t greater than F^ A; draw t R, then R x perpen-dicular to it; X F^ will then be the p and F^t the p forfour jooints of the curve,… … THE CATENARY. 214. If a flexible chain, cable or string, of uniform weight per unit of length, be freelysuspended by its extremities, the curve which it takes under the action of gravity is called aCatenary, fi-om catena, a chain. A simple and practical method of obtaining a catenary on the…
Mechanical drawing · Lettering
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