Clocks and Simple Machines

Clocks:  If you were able to look at the inside of a clock, you would see many simple machine at work.  Listed below are a few links that I would like for you to read/view about clock and the inside of a clock:
Inside a Wind-Up-Clock:
http://electronics.howstuffworks.com/gadgets/clocks-watches/inside-clock.htm


Clocks:  "Big Ben"  http://www.telegraph.co.uk/news/uknews/5801737/Big-Ben-celebrates-150th-anniversary.html

Clock at Grand Central Station in New York: http://untappedcities.com/2014/10/15/inside-the-worlds-largest-tiffany-clock-at-grand-central-terminal/

http://m.grandcentralterminal.com/mall/745/

http://easyscienceforkids.com/all-about-keeping-time/

Watch: Reading Rainbow:  Book "Animal Cafe" LaVar look at a city that never sleeps!
http://www.netflix.com/watch/80063780?trackId=14170047&tctx=0%252C4%252Cc279caac-536f-4f97-b1ff-24b5a6b543d7-20615973