"From the beginning, when wife of Corning Glass Works Physicist Jesse T. Littleton baked a sponge cake in the bottom of a battery jar made of NONEX, women have been involved in nearly every aspect of Pyrex development. NONEX was a new thermal shock resistant glass developed by Corning for railroad lanterns and other industrial products, and Littleton and others were looking for new products to develop with this unique glass. Bessie Littleton offered to test it out in her kitchen and made the famous sponge cake that launched the brand." Pyrex Covered Casserole, made by Corning Glass Works, 1969-1970. Search “iittala tools casserole with lid” from Classic Cookware a Staple in American Kitchens for 100 Years

Search “iittala tools casserole with lid”

"From the beginning, when wife of Corning Glass Works Physicist Jesse T. Littleton baked a sponge cake in the bottom of a battery jar made of NONEX, women have been involved in nearly every aspect of Pyrex development. NONEX was a new thermal shock resistant glass developed by Corning for railroad lanterns and other industrial products, and Littleton and others were looking for new products to develop with this unique glass. Bessie Littleton offered to test it out in her kitchen and made the famous sponge cake that launched the brand."

Pyrex Covered Casserole, made by Corning Glass Works, 1969-1970.