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:
“Very early in our children’s lives we will be forced to realize that the “perfect” untroubled life we’d like for them is just a fantasy. In daily living, tears and fights and doing things we don’t want to do are all part of our human ways of developing into adults.”
—Fred Rogers (20th century)
“No idea is so antiquated that it was not once modern. No idea is so modern that it will not someday be antiquated.”
—Ellen Glasgow (1874–1945)
“Talent is nothing but a prolonged period of attention and a shortened period of mental assimilation.”
—Konstantin Stanislavsky (1863–1938)