[Charles Martin Hall]
- Creator
- Hall, Charles Martin, 1863-1914
- Date
- possibly 1906
- Subject
- Scientists
- Collection
- Edgar Fahs Smith Image Collection (University of Pennsylvania)
- Notes
- This portrait shows a youthful-appearing inventor of the electrolytic process for aluminum extraction at the age of forty-three. [from caption to photomechanical print (P/H138.1a M)]
- P/H138.1a M (not scanned) is a photomechanical reproduction.
- Photograph
- Rights
- http://rightsstatements.org/vocab/CNE/1.0/
- Identifier
- P/H138.1 M
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