Flash Lock

Early locks were designed with a single gate, known as a flash lock or staunch lock. The earliest European references to what were clearly flash locks were in Roman times.

Read more about Flash Lock:  Development, Paddle and Rymer Weirs

Famous quotes containing the words flash and/or lock:

    I watched Satan fall from heaven like a flash of lightning.
    Bible: New Testament, Luke 10:18.

    There warn’t anybody at the church, except maybe a hog or two, for there warn’t any lock on the door, and hogs likes a puncheon floor in summertime because it’s cool. If you notice, most folks don’t go to church only when they’ve got to; but a hog is different.
    Mark Twain [Samuel Langhorne Clemens] (1835–1910)