"Pam Morris" wrote in message
...

"Keith Elliott" wrote in message
...
A lawn mower that does not pollute the atmosphere, no petrol, no
electric,
no
noise. You simply push it along the ground. Does that answer your
question?
Try a google search all will be explained.
Keith

Oh - a cylinder lawn mower!

Some of the ones I knew and possessed did not have cylinders either.

Franz