Paul Roget
invented the Thaumatrope. A
Thaumatrope is a toy that was
popular in Victorian times. A disk or card with a picture on each
side is attached to two pieces of string. When the strings are twirled quickly
between the fingers the two pictures appear to combine into a single image due
to persistence of vision.
Source: http://en.wikipedia.org/wiki/Thaumatrope
well done :)
ReplyDelete