Your Rabidness; Norma does not appear to have a website. Here is contact info to see if they can provide any data for this cartridge.
NORMA
81 Ruckman Road
Closter, NJ 07624
Phone (201)767-1995
Fax (201)767-1589
As for your hope that there any old timer's out there who have old data available, Darwinian selection would have eliminated these obvious defects from the gene pool by now.
Walt