Hardcover. Condition: Good+. 8-1/2 x 11 Cloth; 68pp; Ex-Library with Drake University Library book plate, red cloth boards with gilt lettering to front, text unmarked, binding is tight, Good+ condition. A modern system of reasoning based on the theory that there must be a sustaining and controlling force that continually governs the limited motion of the earth. Presented as series of principles in numbered paragraphs. Unorthodox science.