March 23, 1857: Mr. Otis Gives You a Lift

4 pointsby terpuaabout 15 years ago

1 comment

cmaabout 15 years ago

<a href="http://rjlipton.wordpress.com/2010/02/08/trains-elevators-and-computer-science/" rel="nofollow">http://rjlipton.wordpress.com/2010/02/08/trains-elevators-an...</a>