Original vintage magazine ad, ARMSTRONG CORK PRODUCTS COMPANY of Lancaster, PA. Closure Division. Lustrous Molded Caps Add a Distinctive Touch To Smart Modern Packages. Bottles,jars.Old 1938 dated glass packer industry advertisement.
On the reverse side (see Additional Images tab) is CORNING GLASS WORKS of Corning, NY. Ok for Corrosive Liquids. Pyrex Piping has passed the most rigorous use tests.
Approximate size 8 x 11 inches.