OF ARTS AND SCIENCES. 



17 



TABLE H., — continued. 

 Sky Polarization. 



Before discussing these observations further, it seemed desirable to 

 determine the polarization of other parts of the atmosphere not lying 

 in the same vertical plane with the sun. Moreover, as the polarization 

 of points at equal distances from the sun should be compared, the polar- 

 i meter was SO mounted that its principal axis would pass through the 



VOL. 1. 



