... position at the present day. The present theories of the transmission of light and sound; of the production of winds, and sun-spots, and of the method of development and dissemination of heat, ... What is the intimate and inherent nature of those forces? Do they, or either of them, belong to the domain of the supernatural? Are they the products of some supreme force, or forces, heretofore ... all distances. All these theories are therefore inconsistent with the immutable law of the Conservation of Force. The true Source of Supply. In seeking the source of supply of heat and light,...