Agricultural inventions of the past

satya - Wed Oct 03 2012 14:59:49 GMT-0400 (Eastern Daylight Time)

Here is a slideshow from Scientific American link

Here is a slideshow from Scientific American link

satya - Wed Oct 03 2012 15:02:06 GMT-0400 (Eastern Daylight Time)

A sample image

satya - Wed Oct 03 2012 15:03:03 GMT-0400 (Eastern Daylight Time)

See the link above from scientfic american for the rest of the pictures

See the link above from scientfic american for the rest of the pictures