THE SCIENTIFIC BASIS 



OF 



NATIONAL PROGRESS, 



INCLUDING THAT OF MORALITY. 



Author of " The Art of Scientific Discovery ;" 

 The Principles and Practice of Electro-deposition ;" 

 " The Art of Electro-metallurgy ;" 6<r. 



fr o R WAtt'oP^'' 



NATIONS ADVANCE BY NEW KNOWLEDGE. 



WILLIAMS AND NOR GATE, 



14, HENRIETTA STREET, COVENT GARDEN, LONDON 



AND 20, SOUTH FREDERICK STREET, EDINBURGH. 



1882. 



