The Effect of the Electric Discharge on Water Vapour, 149 
(3) At 4.20 p.m. Discharge passed through HJd under 3*5 mm. 
Pressure. 
Times 
Pressures. 
Temperature. 
Remarks. 
4.30 p.m. 
0-243 mm. 
19-85° C. 
No distinct striations. 
4.40 
0-290 
19-85 
Coloration began to disap- 
4.50 
0-301 
19-85 
pear immediately. At 
4.59 
0-310 
19-80 
4.40 only a faint trace 
remained. 
5.14 
0-306 
19-80 
Last trace of coloration 
disappeared. 
(4) At 2.3. P.M. Discharge passed through H^O under 3*7 mm. 
Pressure. 
Times. 
2.6 p.m. 
2.12 
2.22 
2.34 
2.42 
Pressures. 
0-091 mm. 
0-221 
0-282 
0-302 
0-301 
Remarks. 
No return of coloration at 
any time. 
(5) At 2.55 a.m. 
Discharge passed through 
Pressure. 
H,^0 under 4-9 
Times. 
Pressures. 
Temperature. 
3.6 p.m. 
0-215 mm. 
19-80° C. 
3.11 
0-256 
19-80 
3.17 
0-274 
19-80 
3.27 
0-283 
19-80 
3.34 
i 0-282 
19-80 
