"The first American alarm clock was created in 1787 by Levi Hutchins [...]. This device he made only for himself, however, and it only rang at 4 am, in order to wake him for his job. The French

"The first American alarm clock was created in 1787 by Levi Hutchins [...]. This device he made only for himself, however, and it only rang at 4 am, in order to wake him for his job. The French inventor Antoine Redier was the first to patent an adjustable mechanical alarm clock, in 1847."

https://en.wikipedia.org/wiki/Alarm_clock

via https://www.popularmechanics.com/culture/g38300892/who-invented-these-everyday-items/?slide=2

#TIL #technology #inventions #history #AlarmClock