…showed first 75 words of 1344 total…

…showed last 75 words of 1344 total…e ellipses, and not at a focus, and that the weight of a body at every place on the surface of the earth, except the equator, would act in a direction which was not vertical. The theory of vortices marks a fresh era in astronomy, for it was an attempt to explain the phenomena of the whole universe by the same mechanical laws which experiment shows to be true on the earth.