History of the clock

By AleseXS18
  • May 29, 1335

    The first public clock appeared in Milan.

  • May 29, 1400

    Small clocks made with coiled wire made an appearance.

  • The clock was patented

    The first clock was invented and patented by Eli Terry.
  • Period: to

    history of the clock

  • Salespeople for the R.W. Sears Watch Company fan out across America selling affordable timepieces. The firm is later renamed Sears, Roebuck and Co.

  • A second is formally defined as 9,192,631,770 vibrations of the cesium atom. For the first time, time is not defined by the movement of astronomical bodies.

  • Time is more popular than ever: about half-a-billion watches are sold each year.

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