Beschreibung:
Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Sii' W. Roberts-austin, C.D Assoc. President Iron and Steel Institute, Professor of Metallurgy, Royal College of Science; Chemist of the Mint, London, England.
Sii' W. Roberts-austin, C.D Assoc. President Iron and Steel Institute, Professor of Metallurgy, Royal College of Science; Chemist of the Mint, London, England.