y E." <[email protected]> Subject: Re: Date: Wed, 01 Jul 2015 22:44:51 +0000 Many thanks. Alas, just heading off to visit a laboratory in teh North of England, then away until Monday, and diary crammed all next week. So I can't but I love the idea... Rupert On 1 Jul 2015, at 19:39, jeffrey E. wrote: I m