World 1883

Circular diagram depicting the Earth's axis and rotation.; Includes text and tables.The Ellipticon is a set of graphic diagrams and explanatory text discussing the troubling nature of astronomical equations of time. In 1865, less than twenty years before the Ellipticon, Naish patented “An Improved Mode of Illustrating Astronomical Phenomenon.” The Ellipticon was included in an informational pamphlet with detailed texts about the elliptical nature of the cosmos and the calculations the Ellipticon is capable of making. LPM.Grayscale