158 



M. MELLONI ON THE POLARIZATION OF HEAT. 



TABLE VII. 



From the various numerical results contained in these tables, 

 we deduce the following consequences : 



I. The proportion of heat polarized by the piles increases, as 

 the angle at which the rays meet their surfaces is diminished. 



II. In piles containing a sufficient number of elements, 

 the calorific polarization attains a maximum effect, at a certain 

 angle of inclination which it afterwards preserves for all the 

 smaller inclinations that the ray may successively form with the 

 laminae. 



III. The inclination which is always reckoned from the surface, 

 at which the manifestation of the invariable effect commences, 

 increases with the number of laminae of which the piles are com- 

 posed. 



As to the value of this limit of polarization, it is nearly con- 



