A Treatise on Solar Action: explaining the causes of light, heat, motion and electricity. [With illustrations.]George Nall, 1865 - 43 pàgines |
Altres edicions - Mostra-ho tot
A Treatise on Solar Action: explaining the causes of light, heat, motion and ... Thomas AYERS Visualització completa - 1865 |
A Treatise on Solar Action, Explaining the Causes of Light, Heat, Motion and ... Thomas Ayers Previsualització no disponible - 2015 |
A Treatise on Solar Action: Explaining the Causes of Light, Heat, Motion and ... Thomas Ayers Previsualització no disponible - 2019 |
Frases i termes més freqüents
absorption actinism action on matter antagonistic assume the fluid atmosphere attractive force exerted capable cause of heat causes producing CHAPTER cohesive attraction cohesive force cold comet condenser condition of matter conductors currents decomposition duction earth earth's surface effect produced elec electric currents electric fluid electrical action electrified electrometer elements of matter evident examination exhibit experiments exposed fact force of cohesion force of separation friction Frictional Electricity gaseous gases hitherto induced leyden jars light and heat liquid magnetic currents magnetic fluids material nature metals mode motion of heat nature of heat nebulæ observed obtained opposite electricities orbits particles path phenomenon planetary matter poles powerful agent proof plane quantity radiant heat rate of motion repelled repulsive action separated fluids shades of difference solar action solar ether solar force solid substance subtle sun and planets sun's direct action sun's rays surfaces of bodies tricity various voltaic battery Yarmouth
Passatges populars
Pàgina 25 - ... exposed to the full power of solar heat, is but little disturbed. If, however, we reflect the sun's rays from a metal surface, an exactly contrary result takes place : the uncovered parts are the first to melt, and the blackened card stands high above the surrounding portion.
Pàgina 27 - The air on high mountains may be intensely cold, while a burning sun is overhead ; the solar rays which, striking on the human skin, are almost intolerable, are incompetent to heat the air sensibly, and we have only to withdraw into perfect shade to feel the chill of the atmosphere. I never, on any occasion...
Pàgina 12 - The dynamical theory, or, as it is sometimes called, the mechanical theory of heat, discards the idea of materiality as applied to heat. The supporters of this theory do not believe heat to be matter, but an accident or condition of matter ; namely, a motion of its ultimate particles.
Pàgina 38 - The very quality of the solar rays — their incomparable penetrative power — enables us to infer that the temperature of their origin must be enormous ; but in the fall of asteroids we find the means of producing such a temperature. It may be contended that this showering down of matter must be accompanied by the growth of the sun in size ; it is so ; but the quantity necessary to produce the observed calorific emission, even if accumulated for 4,000 years, would defeat the scrutiny of our best...
Pàgina 33 - ... in short, a series of them may be traced from mere films of vapour to dense matter, and all having a fixity of position which show they belong to no system.