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Subject
- Chemical industry21
- Corporations21
- Dearborn Chemical Company21
- Water purification chemicals industry21
- Employees16
- Laboratories11
- Scientific apparatus and instruments10
- Glassware5
- Machinery5
- Bunsen burner4
- Andrew, Charles2
- Barrels2
- Lombardi, Andrew2
- Water--Analysis2
- Water--Testing2
- White, Charles S.2
- Balances (Weighing instruments)1
- Cooney, Jack1
- Crocker, Irin1
- Grimberg, Rea1