I just found a piece, I'll put up a photo.
Here ya go:
http://gunkies.org/wiki/File:3MegEthernetCable.jpg
http://gunkies.org/wiki/File:10MegEthernetCable.jpg
I should have put a ruler in, for scale. The 3M is about 2/3 of the thickness
of the 10M. The center conductor is about 2mm - pretty heavy!
From: Guy Sotomayor Jr
The XGP printed on roll paper. It was a laser type
process
Plain paper? Well, my memory of it being thermal paper could easily be wrong;
it's been a _long_ time, and I didn't use it much.
Noel