via 



Numerous and important Papers, contributed by Clerk Maxwell to the 

 TVoMMOfMMU or Proceedings of the Royal Societies of London and of Edinburgh, 

 of the Cambridge Philosophical Society, of the Royal Scottish Society of Arts, 

 and of the London Mathematical Society ; Lectures delivered by Clerk Maxwell 

 at the Royal Institution of Great Britain published in its Proceedings ; as well 

 as Communications and Addresses to the British Association published in its 

 /.' t>orts, are also included in the present work with the sanction of the above 

 mentioned learned bodies. 



The Essay which gained the Adams Prize for the year 1856 in the 

 University of Cambridge, the introductory Lecture on the Study of Experimental 

 Physics delivered in the Cavendish Laboratory, and the Rede Lecture delivered 

 before the University in 1878, complete this collection of Clerk Maxwell's scientific 

 writings. 



The diagrams in this work have been re-produced by a photographic 

 process from the original diagrams in Clerk Maxwell's Papers by the Cambridge 

 Scientific Instrument Company. 



It only remains to add that the footnotes inserted by the Editor are 

 enclosed between square brackets. 



CAMBRIDGE, August, 1890. 



