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XI. Ohjervatlo?2s and Experiments on the Light of Bodies In a 

 State of Combujlion, By the Rev. Mr. Morgan ; comviiinicated 

 by the Rev. Richard Price, LL.D. F.R.S. 



Read January 27, 1785. - - 



THE difcuflion which I now wifh to lay before the Royal 

 Society is nothing more than a feries of facfls, and of 

 conclafions which feem to flow from thofe fadls, and from an 

 attention to the following data. 



I. That light is a body, and like all other bodies fubjedl to 

 the laws of attraction. 



II. That light is an heterogeneous body, and that the fame 

 attractive power operates with different degrees of force on its 

 different parts. 



III. That the light which efcapes from combuftibles when 

 decompofed by heat, or by any other means, was, previous to 

 its efcape, a component part of thofe fubflances. 



It is an obvious conclufion from thefe data, that when 

 the attra«£live force, by which the feveral rays of light 

 are attached to a body, is weakened, fome of thofe rays will 



efcape 



