The first alarm clock could only ring at 4 AM — invented by Levi Hutchins in 1787

Levi Hutchins created the first alarm clock in 1787, set to ring at 4 AM

The first alarm clock could only ring at 4 AM — invented by Levi Hutchins in 1787

Levi Hutchins created the first alarm clock in 1787, set to ring at 4 AM

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