15 
secondary 
Saturation-Current. 
168 
144 
112 
85 
ay) 
“ 
(ea) 
< 
= (=) 
HY a 
i CUED DORE eo Dee oases 
BUI 
Sea Lobe ea oe Soe Seooo& 
SN OO Oa eo eee 
= IDE OSC COS ooSseoSoo5 
OU Cor SBt hans Ss Sena Zeb S SoS boORScC0RRcl. 
SC EOC Cer Rene Zee eco 
CoUCCUSE CES SS Oe eZC ooo SOS oo Coo soeo 
ee ee ee 
COE Re cao on Ooo Pose eso SoS0R0CESR5Cl. 
a 
COSC Den eSeoiZo 
DESO Oa 
ee te 
> | a | a 
acne 
Seong 
ane HSSO2Soe ooo. 
PISO) ne 
en ae 
It was not convenient, 
o 
v0. 
in Degrees 
a 
Fie. 
M:Creni.ann—The Energy of Secondary Radiation. 
@ in Degrees. 
This result has finally to be corrected for the variation of the 
The saturation-current in A’ was found to vary with @ as shown below :— 
radiation as the angle @ varies. 
O VOI/eIpey jo fyisuayuy 2) 
The curve in fig. 3 is plotted from the numbers. 
on account of the size of the ionisation-tube A’, to observe the current for 
