[SNIP]
See also:
http://www.debian.org/doc/manuals/debian-reference/ch10
Section 10.3 and especially 10.3.6 following "you can ...
make the
ISO9660 image directly from the CD-ROM device as follows"
I've found other portions of that work valuable in the past.
Thanks for
reminding me of it. Chapters 9 and 10 should keep me occupied.
"10.3.8.
Mounting the ISO9660 image file" implies an answer to my
question.
Sometime between then and now, it seems that the
debian-reference has
been edited and that information has entirely disappeared from
the current
version, and so the above debian.org link is now broken.
Perhaps if you have
the squeeze version, it will still contain the relevant
information.