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:
“Yet, haply, in some lull of life,
Some Truce of God which breaks its strife,
The worldling’s eyes shall gather dew,
Dreaming in throngful city ways
Of winter joys his boyhood knew;
And dear and early friends—the few”
—John Greenleaf Whittier (1807–1892)
“To the modern spirit nothing is, or can be rightly known, except relatively and under conditions.”
—Walter Pater (1839–1894)
“This [new] period of parenting is an intense one. Never will we know such responsibility, such productive and hard work, such potential for isolation in the caretaking role and such intimacy and close involvement in the growth and development of another human being.”
—Joan Sheingold Ditzion and Dennie Palmer (20th century)