Haswell, Charles Haynes, 1809- [from old catalog] · New York, Harper & brothers · leaf 341
, the weight being 10 ton?,the stress on the stay or strut compressing, a c,will be 31 tons, and on the jib or tension-rods, a 0, 26 tons. Ity dividing the line representing the weight, as«Woraw, into equalparts, to represent tons or pounds, and using it as a scale, the stress uponany other part… … CRANES. 337
Engineering · Mechanical engineering
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