Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 59
■ - ^W: Canal lock of S. Mark. carried by a cantilever is inversely proportional to the distancefrom the load to the point of support.He says: ■ If you place upright a support of uniform thickness and material, whichwill resist a weight of lOO, and you then take 9-ioths of the height away, you…
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