Metallurgy :
Percy, John, 1817-1889
Metallurgy : The art of extracting metals from their ores, and adapting them to various purposes on manufacture / By John Percy - 623 páginas
"fuel ; fire clays ; copper ; zinc ; brass, etc."
Metalurgia
TN665 / P44 1861
Metallurgy : The art of extracting metals from their ores, and adapting them to various purposes on manufacture / By John Percy - 623 páginas
"fuel ; fire clays ; copper ; zinc ; brass, etc."
Metalurgia
TN665 / P44 1861