well I then figured that I would have a look at a 'cooper' site for bussman fuses...to then get 'this':

http://www1.cooperbussmann.com/SearchResults.aspx?search=5A+fuse&type=Omni&x=7&y=13

any ideas, gill?

oh I remember now...the 'domestic realtek crabs' had left the item, below - as a reminder of something: