CMSIUM-OXYGEN-SILVER PHOTOELECTRIC CELL 



341 



{a) 



(b) 



Fig. 2 — Microphotographs of roughened silver cathode base, (a) Plan view, 

 1530 diameters, (b) Transverse section, 200 diameters, (c) Transverse section, 

 2450 diameters. 



TABLE 1 



