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Third Report of Progress in the Laboratory of the Survey at Harrisburg ...
Andrew S. Mocreath
No preview available - 2015
100 parts iron Alumina Armstrong County bank brittle Brown hematite calcite Carbonate of lime Carbonate of magnesia Clarion County coarse-grained Coke Color of ash Cumberland County Dillsburg dull black Elk County Ferriferous limestone fine-grained Fixed carbon Fossil Franklin County Freeport Lower coal Freeport Upper coal Freeport Upper limestone Fuel ratio half miles north hard and tough iron and alumina Kittanning Kittanning Lower coal limestone Madison township Magnesia Mahoning creek Metallic iron Metallic manganese mile east miles north east miles south west miles west Mont Alto Iron north west organic matter Oxide of iron pearl grey Perry County Phosphoric acid Phosphorus in 100 pieces taken Pine township postage Protoxide of iron quarry reddish brown reddish grey Report of Progress Sample consisted Sesquioxide of cobalt Sesquioxide of iron Sesquioxide of manganese Silicious matter south east Stewardson furnace Sulphuric acid thick three miles south trace valley Venango county Volatile matter Water and organic