(...) Any way to tell which bricks are Cellulose Acetate and which are ABS (other than visual inspection)? From some preliminary checking it doesn't appear that there is a link between the logo font and the material. I did notice that some of my (...) (20 years ago, 9-Jun-04, to lugnet.general)
(...) Update: I did find your old notes to help me identify CA vs ABS: (URL) recent updates to this? Thanks, Eric (20 years ago, 9-Jun-04, to lugnet.general)