An item showing how the eye is affected by certain illusions.
No title - Illusions.
Location of events unknown.
M/S of hands performing a three card trick. M/S of man sat painting in the countryside, he measures perspective then carries on drawing. M/S of a little girl looking at the painting. M/S of moon on painting out of perspective. M/S showing the size it should be.
M/S of diagram showing three men at different levels, the higher up they are the bigger they look, but when they are brought down to same level they are all the same size. M/S of top hat brim giving options as to how high the hat should be, it doesn't come up to the first line even though we imagine it is bigger. M/S of diagram of eyes, narrator says we are better at judging horizontal distances because our eyes are side by side. M/S of diagram of eyes on top of each other.
M/S of matchbox moving along lines which don't look parallel but are. Some matches escape from the box. M/S of diagram demonstrating light and shade, and how the light side will always be the one in front of the black background. M/S of cartoon mouse moving when lots of single drawings are run quickly. M/S of drawing of bird and cage, the picture is shaken to make it look as though the bird is in the cage.