Journal of the Franklin Institute; devoted to science and the mechanic arts (1826)
Franklin Institute (Philadelphia, Pa.) · Oxford, Eng. [etc.] Pergamon Press [etc.] · leaf 653
Fig. 1. represents a cross section of the beam.Fig. 2. a top view of the fracture of the lower rib.Fig. 3. « 44 upper Fig. 4. a side view of the fracture of the beam. Dimensions, $*c. Depth, a, 6, of upper rib, 0.31 in. Breadth a, a, of upper rib, 2.36 in.« c, d, of vertical plate, 4.15 Thickness…
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