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Journal - Franklin Institute of the State of Pennsylvania (1826)

Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 103

An illustration from Journal - Franklin Institute of the State of Pennsylvania, 1826, leaf 103
castings called wirepressers. Fig. 10 and Fig. 11.) Their deflection, calcu-lated in advance, and which is 2 feet, and a loaded car run on the centreof each span, will indicate how they are to be braced. The wire can berun in lengths of 500 feet, 1,000 feet, or even one mile before beingstopped.…

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