magictransistor: Robert P. Traxler. The Principles of Mechanics as Applied to the Solar System, with
magictransistor: Robert P. Traxler. The Principles of Mechanics as Applied to the Solar System, with Illustrations, Showing by Radiating Lines the Manner in which the Forces of the Sun are Applied to the Planets and the Manner in which the Forces of the Sun and Planets Emanate from Themselves. 1889. -- source link