Thank you! I better apologise to you guys for signing up and then immediately bombarding the forum with questions. I haven't been on an EZ board forum and didn't realise (until looking at the FAQ today) that pics can't be posted. Anyway, a tech-savvy friend has kindly offered to host the picture and here it is:

www.jpimaging.net/mauser/

You can't see it clearly, but the rifle has a detachable magazine. The circular adjustment knob can be seen on top of the scope. Regards to all, Andrew