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historicalmarkerproject/markers/HM1LTS_the-schoefer-kilns_Coplay-PA.html
Portland cement is essentially an artificial product. It is made by burning various minerals in a kiln at intensive heat to produce clinker. The upright dome kiln was the first type used in America. An improvement was the Schoefer vertical kiln wi…
historicalmarkerproject/markers/HM1LTQ_discovery-of-portland-cement_Coplay-PA.html
The modern cement industry began in 1756 when John Smeaton, an English engineer succeeded in producing a hydraulic cement that would harden under water. In 1824, Joseph Aspdin, an English bricklayer, produced a new cement by burning chalk and clay…
historicalmarkerproject/markers/HM1LTP_lehigh-valley-rock-suitable-for-hydraulic-cement_Coplay-PA.html
In the Lehigh Valley rock suitable for hydraulic cement had been found near the present locations of Palmerton and Northampton when the Lehigh Canal was built. Mills to produce hydraulic cement were erected at these sites before the Civil War. It …
historicalmarkerproject/markers/HM1LTO_coplay-made-cement-cement-made-coplay_Coplay-PA.html
In 1900, the scene before you was a smelly, dirty, noisy inferno. Trains roared in, carrying coal from the nearby northern anthracite fields and local cement rock, a form of limestone. Day and night smoke and dust belched from the towering kilns. …
historicalmarkerproject/markers/HM1LTF_allentown_Allentown-PA.html
Founded 1762 by the noted colonial leader and jurist, William Allen. Known until 1834 as Northampton. Here the Liberty Bell was hidden in 1777, and Revolutionary wounded hospitalized. City incorporation, 1867. Long a textile and cement center.
historicalmarkerproject/markers/HM1LTE_george-taylor_Catasauqua-PA.html
Signer, Declaration of Independence, lived here. Delegate to Continental Congress, appointed July 1776. In the provincial Assembly (elected 1764) he opposed a royal government. An ironmaster. House built 1768; a National Historic Landmark.
historicalmarkerproject/markers/HM1LTD_bierys-port_Catasauqua-PA.html
First structure, a grist mill, was built about 1752. Starting 1801, Frederick Biery developed the area commercially; erected several landmark stone buildings. This is the oldest part of Catasauqua (incorporated 1853) which was an early home to the…
historicalmarkerproject/markers/HM1LTC_crane-iron-works_Catasauqua-PA.html
The first long-term, commercially successful anthracite iron furnace opened July 4, 1840, here in Catasauqua. Built for the Lehigh Crane Iron Co. by David Thomas, it soon made 50-60 tons of pig iron a week. By 1868 the works had six furnaces; prod…
historicalmarkerproject/markers/HM1LT9_david-thomas_Catasauqua-PA.html
"Father of the American anthracite iron industry" lived here. A native of Wales, he built Crane Iron Works, deemed the world's first anthracite iron furnace to be completely successful, both commercially & from an engineering standpoint.
historicalmarkerproject/markers/HM1LT8_bryden-horse-shoe-works_Catasauqua-PA.html
Established in 1882, this plant was one of the largest of its kind in the world. It produced a wide variety of horseshoes using the unique patented process of George Bryden. Their high quality led to international demand and distribution. Thousand…