First Cement

First Cement is a Pennsylvania historical marker in Coplay, Lehigh County, dedicated 1947.

Lehigh County · dedicated 1947 · Coplay Rd., between Coplay Cement office bldg. and Saylor Park Dr., Coplay

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David O. Saylor was the first to make portland cement in the United States, at Coplay in 1871. First use of the rotary kiln to manufacture cement on a commercial scale also was here Nov. 8, 1889.

TodayHistorical map

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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

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

First Cement

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