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 592
STATICS 571 from a and h parallel to the bars ES and QR, meeting in c;from a and c, lines parallel to the bars ST and SQ, meeting in/; also from h and c, lines parallel to the bars PQ and PT,meeting in d. Join df. Then the force polygon gives themagnitudes and directions of the forces acting on the… … Fig. 361. Draw ac equal to the sum of the two weights, and set off ahequal to the weight W. Assume any pole 0, and join it to thepoints ct, h, and c. Construct a funicular polygon to determine the forces CDand DA, as follows :— Draw KN parallel to Oc, ISTM parallel to Oh, and ML parallelto Oa. Join…
Geometrical drawing
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