Zoetrope Sealife This projection was successfully applied

This projection was successfully applied in a new type of astrolabe that offered remarkable advantages over its predecessors because it could be used in any Northern latitude

Measuring the height of a star using the back of the instrument

Crafted of wood with green paint finish accented with brass corner pieces and clasp

Experience the roots of Virtual Reality with this beautiful conversation piece

17th and 18th century

Zoetrope Sealife This projection was successfully appliedThis reproduction of an early optical device employing the phenomenon of "Retinal Persistence" or Image Retention" is a fine piece for explaining how animated movies work. Sir Issac Newton experimented with this concept in the seventeenth century. In 1834 English mathematician George Horner proposed an apparatus that employed a cylindrical form, an open drum with slots at the top and an image strip placed at this bottom. This item is based on his