Relative intensities. Relative intensities. 
1912-13.] 
The Scattering of Light. 
271 
1. Plate glass, one side very roughly ground, and ground side towards light. 
2. The same, but ground side away from light. 
Photomicrograph, Plate I. fig. 1. 
3 
4 
5 
Two pieces of ordinary commercial ground glass, 
ground sides together. 
6678 
5876 
5016 
Photomicrograph, 
Plate I. fig. 2. 
Curves of relative intensity. 
Curves of maximum total emission. 
