...schliesst : „ We have, therefore, two laws necessary to the equilibrium of temperature, — l*', That the absorption of a particle is equal to its radiation and that for every description of heat; 2d. That the flow of heat from the interior upon the surface of a substance of indefinite thickness,...

...inzwischen erschienene Abhandlung von Kirchhoff und bemerkt nun erst: in fact. the law, „the absorptiou of a particle is equal to its radiation. and that for every kind of light." only applies to the case, where the temperature of the particle is equal to that of...

...parts give out much more light than the white, thereby producing a curious reversal of the pattern. All these facts are comprehended in the statement...radiation, and that for every description of light. It was also noticed that all coloured glasses ultimately lose their colour in the fire as they approach...

...in the impact of elastic bodies. He also considers that the law which is expressed by saying "That the absorption of a particle is equal to its radiation, and that for every description of heat," expresses another law of action and reaction which holds when the motion which constitutes radiant...

...description of heut. We have, therefore, two laws necessary to the equilibrium of temperature — 1st, That the absorption of a particle is equal to its radiation, and that for every description of heat ; 3d, That the flow of heat from the interior upon the surface of a substance of indefinite thickness,...