>58 Mr. Otto Stuhlmann on Difference in .Photoelectric 

 Magnesium. 



Bi/A. 



B 2 /A. 



B,/B 2 . 



Log B 2/ A proportional 

 to thickness of film. 



100 



•994- 



1*01 



•ooo 



106 



1-02 



104 



•008 



1-24 



1-194- 



104 



•078 



1-15 



119 



■965 



•075 



137 



132 



103 



•121 



1-27 



1-34 



•948 



•127 



Copper. 



B,/A. 



B 2 /A. 



B ly /B 2 . 



Log B 2 /A proportional 

 to thickness of film. 



109 



107 



ro2 



•030 



1-23 



117 



105 



•068 



1-31 



1-24 



1-05 



•093 



1-28 



1-24 



103 



•093 



1-324- 



1-29 



103 



•111 



131 



1-34.4- 



•974 



•129 



1-37 



1-344- 



1-02 



•129 



1-41 



1-37 



1-03 



•137 



1-46 



1-43 



102 



•J 55 



1-384- 



1-54 



•904 



•188 



1-23 



1-71 



•718 



•233 



1-25 



1-71 



•7C0 



•233 



1-29 



1-76 



•732 



•246 



1-23 



1-784- 



•689 



•252 



Zinc. 



B x /A. 



B 2 /A. 



Bt /B 2 . 



Log B 2 /A proportional 

 to thickness of film. 



1-20 



1-13 



1-06 



•053 



1-33 + 



1-254- 



1-06+ 



•096 



1-38 



1-35 



1-02 



•130 



1-45 



1-37 



106 



•137 



1-52 



145 



1-05 



•162 



1*71 



1-68 



102 



•225 



1/53 



1-74 



•879 



•241 



