"Mogga" wrote in message
http://tomclothier.hort.net/page11.html

I have vague memories of there being a terrible story about how some
bloke claimed to measure how warm the soil was.
--
http://www.orderonlinepickupinstore.co.uk
Ah fetch it yourself if you can't wait for delivery
http://www.freedeliveryuk.co.uk
Or get it delivered for free

Thanks Mogga, that's just what I was looking for - saved to favourites.

Bertie