DIAGRAM 2. 
froc Ro/Socli^' 
VolXI Plate IV" 
V 
i s.1 5 
I. || | 
{• 
/iXformoc of XbtcnSXaZ in, C G.X ZZhitbs, 
\ 
o/' Z 7^7 7jris ZZ.ZrsS' Z'/z-zZ^y. 
Distance of Tube from Disc in Centimetres (Height of Flame constant-6'6 cm.). 
X Non-lamlnous flame, disc being positively electrified. I • Luminous flame, disc being positively dMtrUM. 
negatively ,. 1 © .. nogaUvely „ 
DIAGRAM 1. 
