About geissler tube results of 1,871
30:11
19:50
23:51
15:38
19:55
19:37
24:45
19:01
27:08
16:41
18:38
16:52
17:15
20:54
17:50
19:10
17:21
16:53
25:03
19:27
19:45
19:51
18:07
22:45
19:15
18:00
18:55
19:36
20:52
30:35
50:47
90:42
77:43
71:45
23:56
26:33
19:11
15:55
21:03
19:44
17:31
16:32
65:04
27:19
25:01
27:00