About geissler tube results of 1,864
03:53
03:55
02:18
02:19
02:23
08:01
03:08
10:30
19:35
14:15
14:07
13:52
12:13
18:11
11:06
11:59
11:16
13:04
02:58
03:18
02:45
05:07
02:58
04:28
03:29
02:50
03:28
05:52
02:53
04:36
03:19
02:56
02:44
03:16
02:15
03:13
02:17
08:19
07:10
06:47
04:27
08:16
09:18
11:44
10:01
07:50