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24/10/1876 Alarm clock

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Before Alarm Clocks, There Were ‘Knocker-Uppers’

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1874 Seth Thomas Cottage Clock Striking 12

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How Did People Know When To Get Up in the Morning Before Alarm Clocks?

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TimeLine - A Brief Introduction To The History Of Timekeeping Devices

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3 Of The Most Annoying Alarm Clocks In The World!

US patent office registered patent No. 183,725 for small alarm clock. The patent holder was clockmaker Seth E. Thomas based in New York City. He manufactured his clock in his The Seth Thomas Clock Company. People were trying to construct alarm clock from the times of ancient Greeks. However, Thomas's clock was very similar to its modern equivalent.
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