But hitherto I have not been able to discover the cause of those properties of gravity from phenomena, and I frame no hypothesis ; for whatever is not deduced from the phenomena is to be called an hypothesis; and hypotheses, whether metaphysical or physical,... Martin's Theories of Horizontal Currents in the Ocean and Atmosphere, and of ... - 50. oldal szerző: John Martin (of Melbourne.) - 1875 - 90 oldal Teljes nézet -
|