Popular Lectures and Addresses: Geology and general physics

amount approximately Arctic Arctic Ocean astronomical atmosphere atoms axis balance-wheel beats body British Association calculated Carnot carth centimetres century chemical chronometer clock cooling Croll crust Daniel Bernoulli depth dynamical earth electric engine equal estimate experiments feet force friction geological geologists give Glasgow globe gravitation harmony Horatius Cocles hypothesis ice-cap influence investigation isoperimetrical problem Joule Joule's kilometres laboratory land liquid magnetic storms marine chronometer mass mathematical matter mechanical effect melting meteoric metres miles million moon moon's motion Natural Philosophy North nutation observations observatories orbit pendulum period phenomena physical plutonic Pole potential energy practical precession present principles probable produced Professor Huxley quantity radiation rate of augmentation regarding result rock rotation round Royal Society scientific solar solid spheroid supposed surface telegraph terrestrial magnetism theory thickness Thomson tidal tides tion underground temperature uniformitarianism University variations velocity vibration whole