Picture search results for: motion

Ok, THIS one is useless, since it only turns to pump water in order to supply water so it can turn. No use whatsoever.

(...and to those physicists out there, yes, I realise it violates the 1st and 2nd laws of thermodynamics!)

All sources SXC.HU

thx aerogurl for the waterwheel
http://www.sxc.hu/photo/112720

thx float for bellcrank thing
http://www.sxc.hu/photo/388452

thx hisks for the pump part
http://www.sxc.hu/photo/922476