Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 310
RIMITIVE CANTILEVER BRIDGES. However it may stand between the wooden and the stonespan as to priority in history, there came a time when the twomaterials were combined in the construction of bridges. The Lake Village bridges were apparently all of wood whilethe lintel and slab bridges were of… … Bridge at Srinegar, India. the one below and the crib thus formed filled with rock. Thesecribs then had the shape of brackets or cantilever arms projectingover the stream. The gap between them was bridged with tim-ber. Here we have a prototype of the cantilever bridge. Criss-cross bridges of…
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