1897 - 98 .] Leakage from Electrified Metal Plates. 
39 
When the plate was kept at potentials of 2, 4 ... 10 volts, the 
deflection from metallic zero in three minutes was observed ; hut 
for higher potentials, merely the times of attaining to 300 scale 
divisions from metallic zero were observed. 
§ 2. The results obtained are summarised in the following table. 
In every case for potentials below 90 volts there was greater 
leakage when the uninsulated plate was connected to the negative 
terminal of the battery. This difference depended, partially at 
all events, on the character of the inner surface of the funnel, 
which was old tarnished tin-plating. 
[ Spirit Flame. 
