TO HIS GRACE 



THE DUKE OF DEVONSHIRE KG. 



CHANCELLOR OF THE UNIVERSITY OF CAMBRIDGE 



FOUNDER OF THE CAVENDISH LABORATORY 



THIS MEMORIAL EDITION 



OF 



THE SCIENTIFIC PAPERS 

 OF 



THE FIRST CAVENDISH PROFESSOR OF EXPERIMENTAL PHYSICS 



is 

 BY HIS GRACE'S PERMISSION 



RESPECTFULLY AND GRATEFULLY DEDICATED 



