On 25 Nov 2003 at 19:10, David Williams wrote: > In message <001801c3b296$6564f6e0$58c1fea9@mikegill>, Mike Gill > <[log in to unmask]> writes > >Firstly, edge rollers only seem to have had a very limited application > >for crushing lead ore. > > Except, of course, in Derbyshire; or, in fact, the northern half of the > Peak District. John Barnatt will shortly publish an article which lists > some 40ish horse grinder circles in the northern Peak District. For some > obscure reason these only seem to occur north of the River Wye in any > quantity - in fact he claims that he only knows of one horse crushing > circle on a mine site outside Derbyshire, and this was for crushing > anthracite at a coal mine in mid-Ireland!!!! I have placed a photograph of an edge roller at a site in Lancashire on my website at http://www.brocross.com/temp/crusher.htm It looks as if it is stone that is being crushed, but for what purpose I know not. All ideas welcome. Cheers, -- David Kitching http://www.brocross.com fearrmeox adlaž bręgen