Cornwall Iron Furnace

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21	PDF Document Add to Reading List Source URL: www.indianacountyparks.org Language: English - Date: 2003-06-16 18:49:12 Pennsylvania Chemistry Blast furnace Hot blast Furnace Cornwall Iron Furnace Nittany Furnace Steelmaking Metallurgy Industrial Revolution
22	PDF Document Add to Reading List Source URL: pdfhost.focus.nps.gov Language: English - Date: 2008-03-18 03:47:24 Cornwall Iron Furnace Hopewell Robert Coleman Henry William Stiegel Pennsylvania Speedwell Forge Stiegel-Coleman House
23	PDF Document Add to Reading List Source URL: files.asme.org Language: English - Date: 2005-04-26 16:28:23 Metallurgy Industrial furnaces Bog iron Economic geology Nassawango Creek Tuyere Hot blast Pig iron Cornwall Iron Furnace Steelmaking Chemistry Iron