Related Clues:
- Glass cookware brand
- Beaker material
- Glass ingredient
- Glassware used in cooking and chemistry
- Glass component
- Flask material
- Heat-resistant glassware
- Proctor-___ (small appliance maker)
- Lab glass
- Proctor's partner
- Glassware material
- Test tube material
- Bakeware brand
- Ovenware brand
- Glass brand introduced by Corning in 1924