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Charles Martin Hall

Charles Martin Hall is a Pennsylvania historical marker in Pittsburgh, Allegheny County, dedicated 1998.

Allegheny County · dedicated 1998 · Corner of 32nd & Smallman Sts., Pittsburgh

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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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David Rumsey Map Collection, Stanford Libraries

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under a mile from where William Gabby lived in the 1760s

what this marker records spans 1777 to 1789, overlapping William Gabby's years here

From one family's 77-marker roster

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Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov

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