264 Capt. W. de W. Abney and Mr. G. S. Edwards. 



Table XII. 



fig? r } Dyed El 7 tllrosil1 - See Fi S- 6 - 



fee ale 

 number. 



Mean 





Relative 



Reduced 

 to maxi- 

 mum 

 of 100. 



Ordinate 

 of curve 



Scale. 



sector 

 reading. 



Opacity. 



sensi- 

 tiveness. 



to wave- 

 length 

 scale. 



Exposure. 



Sector 

 reading. 



x>are 













mins. sees. 





glass 



75 















A 1 



4f 



35i 



39| 



31 



21i 



18 



4 



25 



A 3 



4* 



29i 



45i 



77 



53 





3 



27-| 



5 



28 



A H 



47 



145 



100 



100 



2 



28f 



Kl 

 &4 



O A 



34 



41 



36 



25 





1 30 



29 



KJ. 



43 



32 



20 



14 



14 



1 



30f 



c s 



53 



22 



12| 



8i 





30 



36 







OO 



19 



11 



"i 



8 



15 



48f 

 5&£ 



CI 



64 



11 



8 



12 





10 



*2 1 

 O2 



64 



11 



8 



12 



12 



5 



71 



£!3 

 O4 



67 



8 



61 



4| 









75 



7 



71 



4 



5 



3i 



3 







71 



71 



4 



5 



3i 



3 







8 



69 



6 



6 



4 



4 







8* 



63 



12 



Si 



6 









9 



57 



18 



10| 



7 



7 







n 



55 



20 



Hi 



8 











53 



22| 



12i 



8i 









91 



54i 



20 



Hi 



8 









10 



52 



23 



13 



9 



10 







ioi 



55 



20 



11* 



8 









101 



10f 



58 



17 



10 



7 









63 



12 



8| 



6 









11 



63 



12 



8i 



6 



6 







Hi 



66 



9 



7 



5 









Hi 



67 



8 



6i 



4i 









12 



68 



7 



6 



4 



4 







12| 



69 



6 



6 



4 









13 



70 



5 



5 



3i 



3 







14 



73 



2 



4 



21 



1 







15 



74£ 



i 

 a 



1 



f 







