"Guttman" ball
"Guttman" ball
"Guttman" ball
Six ivory balls
1750
Superball made of synthetic rubber
1965
Wooden ball
Scioptric brass ball
White early plastic ball
One ivory ball turned inside solid
1843-1884
Ball of wood carved on a small
1890-1913
Scioptic ball
1780-1840
Scioptric ball
Spherical silvered glass ball in wooden box with viewing hole
1850-1924