Chapman's principia, or, Nature's first principles :
theory of universal electro-magnetism, simplified explaining the elements of the important discovery of the laws of nature, which regulate the changes of the elements : exposing the numerous discrepancies of the popular (erroneously so called) Newtonian theory of gravitation alone without repulsion : demonstrating the existence and operation of repulsive force, co-existensively with gravitation /
by L.L. Chapman.

APA Citation

Chapman, L. L., Thordarson Collection. (1855). Chapman's principia, or, Nature's first principles: theory of universal electro-magnetism, simplified explaining the elements of the important discovery of the laws of nature, which regulate the changes of the elements : exposing the numerous discrepancies of the popular (erroneously so called) Newtonian theory of gravitation alone without repulsion : demonstrating the existence and operation of repulsive force, co-existensively with gravitation. 2nd ed., / Philadelphia: Campbell & Co..

MLA Citation

Chapman, L. L, and Thordarson Collection. Chapman's Principia, Or, Nature's First Principles: Theory of Universal Electro-magnetism, Simplified Explaining the Elements of the Important Discovery of the Laws of Nature, Which Regulate the Changes of the Elements : Exposing the Numerous Discrepancies of the Popular (erroneously So Called) Newtonian Theory of Gravitation Alone Without Repulsion : Demonstrating the Existence And Operation of Repulsive Force, Co-existensively With Gravitation. 2nd ed., / Philadelphia: Campbell & Co., 1855.