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:
“I would observe to you that what is called style in writing or speaking is formed very early in life while the imagination is warm, and impressions are permanent.”
—Thomas Jefferson (1743–1826)
“The course of modern learning leads from humanism via nationalism to bestiality.”
—Franz Grillparzer (1791–1872)
“The production of obscurity in Paris compares to the production of motor cars in Detroit in the great period of American industry.”
—Ernest Gellner (b. 1925)