Effect of the Spectrum on the Haloid Salts of Silver. 259 



Table VII. 



| AgCl "1 Gelatine late g ee Fi 7 

 ? Agl J 



Scale 

 number. 



Mean 





Relative 



Seduced 

 to maxi- 

 mum 

 of 100. 



Ordinate 



Ul U 14.X V C 



Scale. 



sector 

 reading. 



Opacity. 



tiveness. 



length 

 sea e. 



Exposure. 



kjcui/ ur 

 Tf^nnin or 



Bare 













mins. sees. 





glass 



m 



72k 















4 



5 



25 



10 





4 



18 



4! 



69 



7! 



38 



15 





3 



26 



5 



68 



9! 



41 



16 





2! 



35 



6 



59| 



18 



67 



26 





2 



40 



7 



52 



25| 



88 



34 





l! o 



52 



8 



46 



31! 



104 



40 



.. 



1 



66 



9 



43 



34! 



112 



43 





30 



69 



91 



33| 



39! 



127 



49 





15 



76 



10 



34 



43! 



145 



56 









77! 



m 



32 



45! 



155 



60 









10! 

 lQf 



29 





170 



65 









40! 



37 



118 



70 









11 



54 



OQJ, 

 AO 2 



83 



Oil 









11* 



62 



15! 



60 



23 









12 



60 



17! 



66 



25 









12| 



51! 



26 



90 



35 









13 



42 



35! 



115 



44 









13| 



33 



44! 



150 



58 









14 



23! 



54 



199 



77 









14! 



17 



60! 



248 



95 









15 



16 



61! 



260 



100 









15! 



19 



58! 



232 



89 









16 



22! 



55! 



212 



82 









16| 

 17 



24 



53! 



195 



75 









28 



49! 



175 



68 









m 



37 



40! 



133 



52 









18 



42 



35! 



116 



45 









18! 

 19 



56! 



21 



76 



29 









65 



12! 



51 



20 









20 



74! 



3 



17 



7 









