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Worker fixes viewing window on 3000-degree furnace where sand, soda, lime & cullet melt into glass at PPG plant; Mt. Zion, IL
- Copyright
- Randall Hyman (www.randallhyman.com)
- Image Size
- 1600x1092 / 393.0KB
- www.randallhyman.com
- Contained in galleries
- 06: MISCELLANY PLATE GLASS FACTORY
