Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 308
st moniiinents we have of bridge constructionare the so-called lintel and slab bridges. The former consisted ofoblong stones placed vertically in the stream and spanned by long,flat, narrow stones or lintels. Sometimes lintels have been placedon piers built of smaller stones. There are some… … Bridge at Fo-Cheu, China. were used instead of narrow ones. Some examples still exist inthe Dartmoor region, England. But it is China, probably, whohas built more slab bridges than all other countries combined.There, as in other countries, a single-span bridge—arch or beam—was the first form…
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