Originally Posted by
Whizbang
I wonder if maybe it is just the opposite...that open air would promote oxidation and breakdown...versus keeping it in its case...away from open air (other than normal use). The one I purchased, I believe, sat in its case for most of its many years. And these scales are in very good condition. I don't know the biochemistry of celluloid scales...I am just guessing. I really don't know. It may be that celluloid is just an unstable product. Maybe there is a biochemist on the forum who can weigh in on the discussion.