The first alarm clock only rang at 4 a.m.
In 1787, Levi Hutchins invented the world's first mechanical alarm clock, ingeniously designed to ring only at 4 a.m. to ensure he woke for work.
Imagine an alarm clock that only rings at one specific time! In 1787, American clockmaker Levi Hutchins invented the first mechanical alarm clock, but it was hardwired to jolt him awake precisely at 4 a.m. for his mill job. This wooden device, using gears from an existing clock, would ring a bell for about an hour, ensuring he never overslept.
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