The sextant, as used by navigators, was also invented by Newton.
As the three navigators approached, they saw a small machine flying around the grounds.
"He was one of your great seamen," the captain told me, "one of your shrewdest navigators, that d'Urville!
Great wooden barricades and mountains of uprooted paving-stones, amidst which sturdy navigators disported themselves with spades and pickaxes, and wheelbarrows full of rubbish, blocked the way; so the brougham turned into Farringdon Street, and went up Snow Hill, and under the grim black walls of dreadful Newgate.