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action active agent animals appearance atmosphere attend attraction beds bodies called causes character circumstances clouds colour combination condition consequently considerable considered containing continued determine direction distance earth effects electricity elevation entirely equal evidence existence experiments explain extended fact fall feet force formed frequently give given greater heat height imagine important increase influence instances intensity knowledge known lakes land laws less light liquid magnetic mass matter means measure metal miles mind moon motion mountain moving nature necessary object observed ocean opinion origin particles passes period phenomena philosopher poles portion position present principle probably produced proportion proved quantity rays received relation remains remarkable result rise rivers rocks round says seen side situated sometimes sound substances sufficient supposed surface temperature theory tion vapour volcanic
Page 159 - Or hear'st thou rather pure ethereal stream, Whose fountain who shall tell ? before the sun, Before the heavens thou wert, and at the voice Of God, as with a mantle, didst invest The rising world of waters dark and deep, Won from the void and formless infinite.
Page 133 - Sometime, we see a cloud that's dragonish, A vapour, sometime, like a bear, or lion, A tower'd citadel, a pendant rock, A forked mountain, or blue promontory With trees upon't, that nod unto the world, And mock our eyes with air: thou hast seen these signs; They are black vesper's pageants.
Page 48 - Jupiter a moderate-sized orange, in a circle nearly half a mile across; Saturn a small orange, on a circle of four-fifths of a mile...
Page 104 - Temperature may be conceived to depend upon the velocities of the vibrations; increase of capacity on the motion being performed in greater space ; and the diminution of temperature during the conversion of solids into fluids or gases, may be explained on the idea of the loss of vibratory motion, in consequence of the revolution of particles round their axes, at the moment when the body becomes fluid or aeriform, or from the loss of rapidity of vibration in consequence of the motion of the particles...
Page 407 - AM, MD To which is prefixed, a Sketch of the History of Medicine, from its Origin to the Commencement of the Nineteenth Century. By J. Bostock, MD, FRS In 2 vols.
Page 158 - HAIL, holy Light, offspring of heaven first-born, Or of the eternal co-eternal beam, May I express thee unblamed ? since God is light, And never but in unapproached light Dwelt from eternity, dwelt then in thee, Bright effluence of bright essence increate.
Page 161 - ... the ratio between the sine of the angle of incidence and the sine of the angle of refraction is a constant, depending only upon the nature of the two media.
Page 104 - The immediate cause of the phenomenon of heat, then, is motion ; and the laws of its communication are precisely the same as the laws of the communication of motion.
Page 157 - As when a wandering fire, Compact of unctuous vapour, which the night Condenses, and the cold environs round, Kindled through agitation to a flame, Which oft, they say, some evil spirit attends, Hovering and blazing with delusive light, Misleads the amazed night-wanderer from his way To bogs and mires, and oft through pond or pool ; There swallowed up and lost, from succour far...