

Photometry of Lights of Different 



Colours. 



185 



X. 



Field 8°-6x5°-16. 



Field 4°-58. 



Field l°-86. 



Flicker. 



Eq. of B. 



1 

 Flicker. 



Eq. of B. 



Flicker. 



Eq. of B. 



Illumination 8'9 Units. 



•653 n 



20-5 



12-6 



189 



15-1 



17'7 



163 



•643 



35-2 



19-4 



32-8 



25-9 



33-3 



30-8 



•632 



52-6 



30-0 



48-5 



424 



44-6 



45-8 



•622 



66-4 



42-6 



65-8 



54-7 



59-7 



59-2 



•612 



78-0 



609 



814 



66-3 



71-4 



72-0 



•594 



97-6 



87-2 



96-4 



901 



91-1 



970 



•574 



10M 



92-8 



100-0 



1000 



98-3 



98-9 



•555 



90-5 



977 



906 



96-8 



911 



96-3 



•545 



78-7 



900 



80-4 



871 



53-1 



83-0 



•535 



635 



79-5 



65-7 



81-2 



66-9 



75-6 



•526 



505 



68-4 



530 



65-0 



531 



59-8 



•517 



33-2 



493 



338 43-9 



34-9 



41-3 



Illumination 2*85 Units. 



•653 a 





11-4 



1 26-1 14-1 



21-5 



20-9 



•652 



28*8 





i 







•643 





20-0 



... 







•642 



39 V 5 





389 27-6 



34 V 1 



32-4 



•632 



58-7 



32-8 



53-7 37-0 



48-3 



46-4 



•622 



69-5 



42-8 



69-6 52-7 



63-3 



620 



•612 



84-4 



56-6 



75-8 65-4 



76-7 



75-8 



•594 



98-7 



82-0 



94-7 82-0 



97-3 



96-7 



•574 



101-2 



89-0 



1000 95'3 



98-8 



101-2 



•555 



80-3 



928 



87-7 99-1 



891 



95 7 



•545 



756 



85-1 



72-1 88-6 



794 



89-4 



•535 



57-5 



810 



63-2 



78-5 



661 



75-5 



•526 



48-0 



617 



509 



66-5 



52-7 



62-2 



•517 



35-9 



53-8 



34-8 



48-8 



350 



40 



•5075 





406 



32-5 







Illumination 1*25 Units. 



•655 





669 





I 







•653 







23-0 



140 



216 



20-5 



•652 



260 













•643 





139 





i 







•642 







33-0 



24-6 



34*4 



31-5 



•6415 



37-2 







! 







•6325 





21-6 











•632 







48-2 



37-0 



53-8 



46-8 



•6315 



57-3 













•622 





31 T 



61-3 



48-4 



62-8 



60-5 



•6215 



69-4 







| 



i 





•612 



77-7 



394 



72-2 



57-6 



75-3 



67-9 



•594 



88-0 



61-5 



960 



74-5 



99-9 



90-1 



•574 



83-8 



71-3 



1000 



88-6 



1017 



1070 



•555 



71-8 



77-4 



83-1 



81-2 



88-3 



97-8 



•545 



60-2 



78-5 



66-3 



85-0 



776 



88-0 



•535 



53-7 



73-8 



56-1 



83-4 



66-2 



72-5 



•526 



44-1 



709 



47-1 



66-8 



48-8 



61-3 



•517 



37-3 



54-2 



39-4 



51-6 



324 



466 



•508 









425 





291 



•4975 





... J 





25-5 







