4:07

Bagolini striated glasses

5:05

Bagolini Striated Glasses Test

23:39

O movimento divino de Bobby Fischer leva o mundo inteiro do xadrez ao colapso! | "Jogo do século"

11:42

Worth's 4 Light Test

4:54

Bagolini striated glass test

7:00

Tests of Stereopsis

23:55

Cover Test

5:25

Red glass test