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 589
r QE on the pin Q is represented by ad.These bars are called struts, as they are subjected to compression.The action of the bar PE on the pin P is represented bythe line cd; dc represents the action of P on PE. This bar issubjected to tension, and is called a tie. Problem 303. To determine the… … Fig. 358. the weight W, and bisect it in e. Then ac and ch represent themagnitude of the supporting forces at P and E. Draw linesfrom a and 1) parallel to the bars QE and PQ ; also from cparallel to the bars PS and TE, meeting the lines from a and hin d, and /. Draw lines from d and / parallel to…
Geometrical drawing
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