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Scoffern, John Chemistry No Mystery
Scoffern, John Chemistry No Mystery
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