Franz replied ".......That second requirement is the hard part. I am
not convinced that any glue is going to prevent the crack from propagating
when the bottle is jarred. ......."

I would ask at one of the firms that replaces car windscreens, they are able
to seal small cracks in windscreens, and may have some idea how to stop the
crack running.


--
David Hill
Abacus nurseries
www.abacus-nurseries.co.uk