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Scoffern, John The Useful Metals and Their Alloys: Including Mining Ventilation, Mining Jurisprudence and Metallurgic Chemistry Employed in the Conversion of Iron, ... Their Applications to the Industrial Arts
Scoffern, John The Useful Metals and Their Alloys: Including Mining Ventilation, Mining Jurisprudence and Metallurgic Chemistry Employed in the Conversion of Iron, ... Their Applications to the Industrial Arts
Scoffern, John Chemistry No Mystery
Scoffern, John Chemistry No Mystery
Scoffern, John