crookes tube experiment

6:05

3:20

5:01

3:10

2:15

00:54

00:09

11:56

2:01

6:47

00:53

33:12

00:46

6:17

11:08

00:44

2:31

3:13

1:58

3:47

5:09

00:44

5:02

00:54

00:23

3:18

00:14

7:40

1:55

18:08

7:48

2:27

12:45

1:28

1:23

00:40

00:21

2:20

2:11

18:34

2:41

2:03

00:33

3:30

15:37

18:20

10:29

6:14

2:16

1:44

1:06

3:07

00:54

1:22

2:53

00:46

1:17:15

8:41

16:11

1:30