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Featured Marker:
Charles Martin Hall
Dedicated: Sunday, March 01, 1998
County: Allegheny
Marker Type: City

Location: Corner of 32nd & Smallman Sts., Pittsburgh

Marker Text: Hall's invention of electrolytic manufacture of aluminum was first applied to commercial production in 1888 by the Pittsburgh Reduction Company, which later became Alcoa. This process, developed here, made the commercial use of aluminum possible.
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