On Tue, 26 Feb 2008 20:34:20 +0700, Bruce in Bangkok
wrote:



If this is a single wheel mounted vertically on a sawhorse like frame
it sounds like what every farm was equipped with years ago. Initially
driven with a crank or treadle and used to sharpen scythes, sickles,
mowing machine cutter bars and all the other cutting implements used
on the farm.
See : http://wichita.craigslist.org/clt/567499338.html
for example without water trough.

The water trough was normally half a tire
Gerry :-)}
London, Canada