248 
Mr. G. Owen on the Discharge of 
TaBLeE VII. 
February 23. Filament I. Potential on Filament 
= —160 volts. 
| J 
Pressure, Temperature, Saturation Current, / 
ynillimetres. a 1 division=7°5 x 10—9 ampy 
0-006 1120 10 
0-006 1150 18 
0-005 1182 42 
0:005 1205 52 
0-006 1260 131 
0-008 1296 197 | 
0:008 1330 322 
0:009 1353 480 | 
0-009 1385 850 | 
0-009 1399 1150 | 
0:013 1432 3450 | : 
0°012 1456 5950 | ] 
| | 
The above results are shown in diagram 7. 
Saturation Current. 
Diagram 7, 
1300" 1490" /$0P 
Temperatures Centigrade. 
