110 HARTLEY: 
An Investigation of the Connexion between 
Quantity of 
Cesium. 
(D)Ocomene 
: A continuous spectrum, no bands. 
ind portions. 
A large number of lines was photographed, of which the following 
are the strongest. H. Ramage (Proc. Roy. Soc., 1902, vol. 70, p. 304). 
The line \ 6984 observed by Ramage does not appear. 
Lines. Intensity. 
ar 
6974 
6722 
6010-59 
6845°31 
Eeoeeal 
(6298-7) Impurity. Rb. 
5636°44 
4593°30 
4555°46 
SCm UAINIwWmo’”o 
A pair; very strong. (Gees 
‘509 Impurity. Rb. 
By comparison with the intensity 
numbers of Ramage, these 
lines are all feeble instead 
Strong. of being, as here described, 
strong. 
— 
3888-75 
3876-31 
“| A strong pair. 
3611°70 2 
(2) 0-1 gr. 
Lines. 
A 
6974 
6722 
6010°59 
4593°30 
4555°46 
3888°75 Very feeble. Nett 
3876:°31 Strong. ee 
8611:70 Feeble. 
A strong pair. 
(3) 0°01 gr. 
rN rN 
6974 and 6723°6 are very feeble. 
4593°30) ot ono 
eed BONS 
8876°31 Feeble. 
(4) 0-001 gr. 
A 
4599°30 
eA) Strong. 
(5) 0:0001 er. 
A 
4593°30 
4555°46 
(6) 0:00001 gr. 
} Feeble. 
r 
4593°30 
4555-46} Feeble. 
