Franek, of course one does not mind helping fellow researchers/enthusiasts to obtain information - and we all appreciate it when others answer our own calls for help. However, the clue to several of the above responses can be found in the first part of Nick Beale's first sentence - and, at least as far as I am concerned, the rest of what Nick wrote is self-evident.
Bill Norman (
www.billnorman.co.uk)