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:
“Progress would not have been the rarity it is if the early food had not been the late poison.”
—Walter Bagehot (1826–1877)
“These modern ingenious sciences and arts do not affect me as those more venerable arts of hunting and fishing, and even of husbandry in its primitive and simple form; as ancient and honorable trades as the sun and moon and winds pursue, coeval with the faculties of man, and invented when these were invented. We do not know their John Gutenberg, or Richard Arkwright, though the poets would fain make them to have been gradually learned and taught.”
—Henry David Thoreau (1817–1862)
“It is as if, to every period of history, there corresponded a privileged age and a particular division of human life: “youth” is the privileged age of the seventeenth century, childhood of the nineteenth, adolescence of the twentieth.”
—Philippe Ariés (20th century)