COUESE OF SIX LECTURES 



VAKIOUS FORCES OF MATTER 



THEIR RELATIONS TO EACH OTHER 



MICHAEL JARADAY, D.C.L. F.R.S. 



FULLERIAN PBOFESSOE OF CHEMISTET, EOYAL INSTITUTION 



Delivered before a JUVENILE AUDITORY at the ROYAL INSTITUTION 

 of GEEAT BRITAIN during the Christmas Holidays 0/1859-60 



EDITED BY WILLIAM CROOKES, F.C.S. 



WITH NTTMEKOTTS ILLUSTRATIONS 



LONDON AND GLASGOW 



RICHARD BR1FFIN AND COMPANY 



lisbws to % Enifomtg 0f (Slasgofo 



MDCCCLX 



