>a commercially-prepared product that > came in a glass jar inside a lightproof cardboard > container... > Does that sound familiar to anyone? There was a material like that sold during the 50s which came in a glass jar... It was researched and produced by an airplane manufacturer. I don't know how long it was sold. Ray __________________________________ Do you Yahoo!? Read only the mail you want - Yahoo! Mail SpamGuard. http://promotions.yahoo.com/new_mail ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.