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Alarm clock

en.wikipedia.org/wiki/Alarm_clock

An alarm clock is a clock that is designed to make a sound, or some other signal, at a specific .... Another mechanical alarm clock was created by Levi Hutchins, of New Hampshire in the United State...

Alarm Clock History - ClockHistory.com

clockhistory.com/alarmClockHistory/

It has been incorrectly stated that Levi Hutchins of Concord, New Hampshire invented the first alarm clock in 1787. His alarm clock is predated by the German  ...

History of Alarm Clocks by @onlineclock

blog.onlineclock.net/history-of-alarm-clocks/

Hey Clock Fans, ever wondered about the history of alarm clocks and who invented them?

7 Ways People Woke Up, Pre-Alarm Clock | Mental Floss

mentalfloss.com/article/24117/7-ways-people-woke-pre-alarm-clock

Mar 4, 2010 ... invented a few different types of mechanical alarm clocks, including one the would sound at any desired time. This was achieved by placing a ...

The First American Alarm Clock.

www.iwest.k12.il.us/schools/thawville/projects/1700/index.html

Who: Levi Hutchins invented the first American alarm clock. What: It was used for telling time ,and the alarm would wake people up at a certain time. This was ...

When was the first alarm clock invented?

www.whenwasitinvented.org/when-was-the-first-alarm-clock-invented/

In 427 B.C., the Greek philosopher Plato made the first water alarm clock. Levi Hutchins in the year 1787 invented he first mechanical alarm clock at Concord in  ...

A 2,000-Year History of Alarm Clocks | Atlas Obscura

www.atlasobscura.com/articles/a-2000year-history-of-alarm-clocks

Apr 21, 2016 ... The first known mechanical alarm clock inventor is Levi Hutchins, an American who in 1787 invented a personal alarm device to wake him at 4 ...

History of Alarm Clocks | Visual.ly

visual.ly/history-alarm-clocks

Jun 19, 2012 ... The most significant recent innovation regarding alarm clocks happened in early 2006, when the online alarm clock was invented, thus ...

Alarm Clock - Welcome to Facts 4 Me display of information

facts4me.com/disp_subject.php?s_id=995

It was a clock that hung on the wall. The clock was made of iron with a bronze bell. It was very heavy. Other people think that the alarm clock was invented in ...

Plato Likely Had the First Alarm Clock - Greek Boston

www.greekboston.com/culture/inventions/alarm-clock/

Did you know that the alarm clock was invented in Ancient Greece?

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Who invented the alarm clock? - Handy Answer Book - Papertrell

www.papertrell.com

The clockmaker Levi Hutchins of Concord, New Hampshire, invented an alarm clock in 1787. His alarm clock rang at only one time—4:00 A.M. He invented his ...

The Evolution of the Alarm Clock | Van Winkle's

vanwinkles.com

Aug 13, 2015 ... In the mid 1500s, Syrian-born inventor Taqi al-Din Muhammad ibn Ma'ruf improved upon the existing alarm clock designs, specifically by ...

Plato Invented the First Alarm Clock - io9 - Gizmodo

io9.gizmodo.com

Jul 1, 2014 ... ... take a moment to curse the ancient Greeks. One of them, Plato, invented the thing that torments you. Learn the story of the earliest alarm clocks.