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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Time has estranged you into a jewel cold and pure;”
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“The post-office had a great charm at one period of our lives. When you have lived to my age, you will begin to think letters are never worth going through the rain for.”
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