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Jan 1, 1200
First Mechanical Clock
The first mechanical clocks were made in around the year 1200. They were used to get a better since of how much of the day you have left. Also, they were used to gather the people in a city.
http://www.uh.edu/engines/epi1506.htm -
Cuckoo Clock
This was the first clock to be made entirely out of wood. It was a product of great craftsman ship. This is important because in a lot of the cities where cuckoo clocks first came to be, the most plentiful resource was wood.
http://www.cuckooclockworld.com/history.htm -
Grandfather Clock
The grandfather clock made it possible to have less motion in the pendulum. The grandfather clock also saves space in small place.
http://www.todayifoundout.com/index.php/2012/09/why-do-they-call-grandfather-clocks-by-that-name/ -
Candle Clock
This one a clock used as an alarm. While it couldn't tell time as well, but it can tell you when you need to do something. The way this would work is a pin would drop after a certain amount of the candle melted. Then the pin would fall into a metal pan making a noise.
http://www.timekeepingsite.org/clock.htm#FOUR -
Wrist Watch
The wrist watch is a clock that you can wear on your wrist. This can make checking the time a lot more convenient.
http://www.theatlantic.com/international/archive/2015/05/history-wristwatch-apple-watch/391424/ -
Radio Clock
This clock served as an alarm and a radio. This allowed people to listen to their favorite radio shows on their clock.
http://blog.onlineclock.net/modern-clock-radio-history/ -
Atomic Clock
The idea of the atomic clock was first introduced in 1945. This clock is never wrong and always tells time correctly. This can help people be more in sync with their time.
http://tf.nist.gov/cesium/atomichistory.htm
