> Bob W wrote: > > > I think I'd trade that. Cars pollute far more than horses > do, and at least > > horse-shit helps the roses. Cars also pollute visually > because of the > > Hmmmm. In the late 1980s, one of the London hospitals was having > problems with corrosion of the cast iron pillars supporting the > building, sited under what had been the main entrance. > Analysis of the > corroding fluid showed that its main constituent was horse urine...... >
I imagine the last horse to piss on the pillars probably did so around the time of WW1, so 70 years for it to take effect doesn't sound bad to me, considering they must have been pissing on them for 30-50 years before that. Bob -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
