Michel in my original post above I cited my references. Here they are again:
Originally Posted by Michel Hardy-Vallée
The Darkroom Cookbook, Third Edition, by Steve Anchell
Basics Photography: Working in Black & White By David Prakel
Prakel said that tabular films, when printed, "...have a different look, when printed up, from an old-fashioned silver-rich film such as Kodak Tri-X Pan..."
Anchell says that silver rich, "...usually indicates an older formulation."
In my post above I had a link to Prakel's book, here it is again: