Notable Innovations
In 1857 Sargent had designed the Sargent's Magnetic Bank Lock, said to be the first successful key changeable combination lock.
In 1873 Sargent created the first time lock, using parts from eight-day clocks.
In 1880 Sargent connected one of his combination locks to a delay timer, creating the first time-delay combination locks.
Read more about this topic: Sargent And Greenleaf
Famous quotes containing the words notable and/or innovations:
“In one notable instance, where the United States Army and a hundred years of persuasion failed, a highway has succeeded. The Seminole Indians surrendered to the Tamiami Trail. From the Everglades the remnants of this race emerged, soon after the trail was built, to set up their palm-thatched villages along the road and to hoist tribal flags as a lure to passing motorists.”
—For the State of Florida, U.S. public relief program (1935-1943)
“Great innovations should not be forced on slender majorities.”
—Thomas Jefferson (1743–1826)