[the annotated zoetrope | The Zoetrope, or "Wheel of Life," is an instructive Scientific Toy, illustrating in an attractive manner the persistence of an image on the retina of the eye; by revolving the cylinder by the hand, and looking through the openings, the images passing rapidly before the eye are blended, so as to give the figures the motions of life in the most natural manner. The Zoetrope, or "Wheel of Life," is an instructive Scientific Toy, illustrating in an attractive manner the persistence of an image on the retina of the eye; by revolving the cylinder by the hand, and looking through the openings, the images passing rapidly before the eye are blended, so as to give the figures the motions of life in the most natural manner.]