Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 312
on the Hellespont, but unfortunately no details ofthe construction of these various structures have reached us. FIRST ROMAN BRIDGES. To the Romans is due the greatest progress in bridge-building.They did not hesitate to cross the broadest streams in their marchto conquest and did so by means of…
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