In message , at 
22:37:00 on Wed, 2 Jul 2008, Colin Rosenstiel  
remarked:
>> Why is it that only Post Offices and Railway Stations seem
>> incapable of taking money off people who are desperately thrusting
>> it at them?
>
>Cambridge station is a lot better on that score since you left.

Must be my patent "interrupter field", which ensures that no building, 
in any town I'm in, can also contain more than three people selling 
railway tickets or Post Office services :)
-- 
Roland Perry