Hi all,  I have found documentation that supports the Duo-Art 43/44
split.  It is in a preliminary Test and Instruction manual reprint
that I found in my Duo-Art collection of manuals from Vestal Press.
It is never mentioned again in any other manual that I have, though.
Yes, there are incorrect diagrams out there as well.  The think the
test roll snake bites is a good indication as well.

Kind regards,
Bernt Damm
Cape Town