File #4830: "Dynamical top. A brass spinning top on a stand. The top has six knobs on its edge and three on its upper surface. On a rod projecting from the top is a paper disc divided into green, blue, red and yellow quarters."

Dynamical top. A brass spinning top on a stand. The top has six knobs on its edge and three on its upper surface. On a rod projecting from the top is a paper disc divided into green, blue, red and yellow quarters.

Title

Dynamical top. A brass spinning top on a stand. The top has six knobs on its edge and three on its upper surface. On a rod projecting from the top is a paper disc divided into green, blue, red and yellow quarters.