Changes

Treadle pump

10 bytes removed, 14:40, 6 August 2009
no edit summary
The treadle pump is a foot-powered water pump widely used in Asia and spreading in Africa. It consists of two metal cylinders with pistons that are operated by a natural walking motion on two treadles.
 
a change
There are several variations of the treadle pump:
Akvopedia-spade, administrator
3,247
edits