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:
“a notable prince that was called King John;
And he ruled England with main and with might,
For he did great wrong, and maintained little right.”
—Unknown. King John and the Abbot of Canterbury (l. 2–4)
“Great innovations should not be forced on slender majorities.”
—Thomas Jefferson (1743–1826)