Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 255
y the abutments A and B. Draw aline 0 c in the force polygon parallel to F a; the distance above this line in 238 MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. pounds will be the amount of the load on A, 533 pounds, c a\ below the line,267 pounds will be that on B. If the weight be placed centrally… … Fig. 475. MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. 239 weight of 800 pounds were suspended from a single central point; divide theweight into any number of equal parts (say 8, of 100 pounds each), and drawordinates through the centre of these parts. Draw through 1 a line parallelto 0 1 and…
Mechanical drawing
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