Separation of the Least Volatile Gases of Atmospheric Air, &c. 397 



Xenon Rays — continued 



w 



W ave- 



n en- 



w 



VV9/V6- 



Xnten- 



W ave- 



Inten- 



w 



W ave- 



Xn ten- 



leugtlis. 



sity. 



j lengths. 



sity. 



lengths. 



sity. 



lengths. 



sity. 



'±1. / a 



1 







3Qft1 

 oyo-L 



i 



J. 



381 K 

 ooxo 



i 



X 



oDOO 



2 



fi3 

 Oo 



Q 

 O 



7^ 



"I 

 X 



"1 "1 

 XX 



Q 

 O 



p;a 



i 



X 



oy 



Q 

 O 



/ O 



9 



07 

 U/ 



\ 



*±v 



a 

 o 



46 



3 



o / 



111 



II 1 



ai 





A.1 



2 



•X9 



1 



x 



00 



A, 



37Q9 





39 



2 



39 



2 



Ol 



v. D 



R7 







1 A 



91 

 a X 





44 



3 



83 

 oo 





1 fi 

 xu 





1 9 



o 



LI 



3Q 



i 



X 



ftl 



OX 



a 

 o 



1 3 

 XO 





aq 

 uy 



a 



U 



2H 



1 



-L 



7£ 



/ o 



3 



i n 



XvJ 



2 



ar 



o 

 o 



93 



O 



73 

 / o 



1 



X 



n7 



A, 



aa 



9 





1 



X 



7a 



1 



r>9 



1 



X 





Q 

 O 



AR 



4 



O') 



1 



3^Q7 



OOf / 



3 



no 

 yd 



T 



JL 





T 



X 



£3 

 DO 



2 





c 

 o 



/y 



<s -L 



A3 

 uo 



T 



X 



fi9 



\ 



ou 



g 



7X 



1 



X 





3 



O / 



1 



65 



4 



fin 



1 



oo 



Q 

 O 





3 



oo 



Q 



o 





A 

 D 



OVJ 



3 



37 

 o / 



\ 



OO 



5 



ou 



C 

 D 



^7 



Q 

 O 



31 



2 



/L3 



o 



44 



1 



X 



7A 



9 



91 



ZiX 



2 



93 



4 



*to 



] 



R9 



2 



1*7 



3 



10 



2 



O / 



D 



OO 



9 

 Li 



1 9 



2 



u^t 



1 



X 



29 



1 



55 



1 



08 



1 



01 



4 



25 



3 



50 



2 



3689 



1 



3468 



2 



21 



1 



49 



1 



77 



3 



61 



1 



02 



3 



42 



4 



73 



2 



54 



1 



3994 



2 



29 



1 



64 



1 







91 



3 



26 



1 



62 



2 







86 



1 



24 



1 



58 



1 







Wave-lengths of rays of unknown origin observed in the spectrum 

 of one tube containing xenon but not present in the spectrum of other 

 tubes : — 



Wave- 



Inten- 



Wave- 



Inten- 



lengths. 



sity. 



lengths. 



sity. 



4589 





3890 



1 



4071 



1 



72 



1 



67 



1 



3797 



5 



63 





41 



4 



11 



1 



3684 



10 



3998 



1 



3573 



2 



