Early Modern Period
In the 1670s, the French devised the copper pontoon; after this point, rivers and canals ceased to present significant obstacles. The early modern period in pontoon use was dominated by the wars of the 18th and 19th centuries during which the art and science of pontoon bridging barely changed.
Read more about this topic: Pontoon Bridge
Famous quotes containing the words early, modern and/or period:
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—Henry David Thoreau (1817–1862)
“The modern city hardly knows pure darkness or pure silence anymore, nor does it know the effect of a single small light or that of a lonely distant shout.”
—Johan Huizinga (1872–1945)
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—Max Beerbohm (1872–1956)