"Airy R. Bean" wrote in message
...
Anybody know anything about the internal configuration
of these?

I bought one on behalf of my friend yesterday at Wimborne
to replace the 5/8ths one (not a colinear - misunderstanding)
that had been badly manufactured (q.v.)


It had to come. Shoddy Workmanship. You thrown it in the bin I assume, on
the basis no reputable company has a returns policy.