Charles Martin Hall
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.
David Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford Libraries
Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov
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