What Is Pyrex Flameware?

Flameware was a different type of glass composition from the regular pyrex The blue tint was designed to distinguish it from clear Pyrex items. The earlier pieces went into production around 1936. Flameware was produced at two locations in Corning at. What is Pyrex Flameware made of? CMGL 140093. By 1936, just when the borosilicate … Read more