In message , at 08:55:22 on Wed,
26 Nov 2008, Neil Williams remarked:
Interesting that there doesn't seem to be a sales outlet at Heathrow

Er, the ticket offices at the Tube stations?

Not according to the quoted web page.

All Tube ticket offices sell Oyster. Or isn't there a ticket office
at LHR?

Apparently they don't sell the visitor cards.
--
Roland Perry