﻿384 



Prof. H. Crew and Mr. R. Tatnall on a 

 Plate 177. Copper (continued). 







Kayser 







Element. 



Plate 177. 



and 

 Runge. 



sity. 



Remarks. 





3721-79 





6 



Hazy. 





3720-89 





5 



Very sharp. 





372009 





6 



Sharp. 



Copper ... 



3712-06 



3712-05 



4 



Hazy. 





3707-31 





6 



Exceedingly weak and hazy. 



Iron 



3701-20 





6 



Trace of Fe 3701-20 (K. & R.). 



Copper ... 



3700-61 



3700-63 



3 







3699-17 





6 



Hazy. 





3695-48 





6 



Hazy. 



Copper ... 



3688-38 



3688-60 



6 



Exceedingly wide and hazy. 





368667 





5 



Rather sharp. 





3685-04 





6 



Rather sharp. 



Copper ... 



3684-77 



3684-75 



3 





Lead 



368360 





6 



Faint trace of Pb 3683-60 (K. & R.). 



Copper ... 



3676-96 



3676-97 



5 





Copper ... 



3672-04 



3672-00 



5 





Copper ... 



3665-83 



3665-85 



4 







366421 







6 



Hazy. 



Copper ... 



365944 



3659-44 



5 





Copper ... 



3656-86 



3656-90 



6 





Copper ... 



3655-99 



3655-99 



4 





Copper ... 



3654-47 



3654-6 



6 





Copper ... 



3652-48 



3652-56 



6 







3650-97 





6 



Hazy. 



Copper ... 



3648-52 



3648-52 



5 





Copper ... 



3645-31 



3645-32 



4 





* 



364380 





6 





Copper . . . 



3641-80 



3641-79 



5 



, 



Copper ... 



3636-01 



3636-01 



4 







3632-67 





5 



Shaded towards violet. 





3629-90 





6 





Copper ... 



3627-40 



362739 



4 





Copper ... 



3624-36 



3624-35 



5 





Copper ... 



3621-32 



3621-33 



3 





Copper ... 



3620-47 



362047 



5 







3619-52 





6 



Certainly not copper. 



(Ghost) ... 



3618-88 





6 



First order : belongs to Cu 3621 -33. 



(Ghost) ... 



3616-37 





6 



Second „ „ „ 



Copper ... 



3614-31 



3614-31 



6 





Copper . . . 



i 3613-85 



3613-86 



4 







3610-88 





5 



Hazy. Strong Cd line at \ 3610*66. 





3609-43 





5 



Yer}' sharp. 



(Ghost) ... 



3607-22 





6 



Second order : belongs to 3602-11. 



(Ghost) ... 



3604-64 





6 



First 



(Ghost) ... 



3604 30 





6 



Second ,, ,, ,, 



Copper ... 



3602-10 



360211 



3 





Copper ... 



3599-20 



3599-20 



3 





* The iron line at 3643'80 (K. & R.) is much weaker than some of its neigh- 

 bours which do not show as impurity lines. Hence this line is probably not 

 iron. 



