1820-1829

1700-1800 <<   >> 1830-1839

Thaumatrope

Thaumatrope

1820_C_2

thaumatrope is an optical toy that was popular in the 19th century. A disk 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 blend into one due to the persistence of vision. (...) Wikipedia