W. A. Norton on Molecular and Cosmical Physics. 35 
luminiferous ether posited below them, transformed into the 
accumulated work of the ethereal waves set in motion by this 
compression. The deficiency of elasticity, essential to the 
development of the heat, consists in this escape of the ether in 
waves of translation, and the attendant loss of living forte; 
and the permanent compression of the impinging bodies results 
from the change in the molecular forces, consequent upon the 
permanent compression, or forcing inward of the molecular 
envelopes. 
The principle of the “Correlation of Physical ors 3 
involves (as above implied) with it that of the “Conserva- 
tion of Force,” maintained by modern physicists, tert that all 
transformations of one hysical force into another take place 
without any loss, oF therefore the store of living force 
in existence in nature is invariable. 
The idea seems now to be commonly entertained that the 
entire force in operation in the universe is the result of certain 
if so it is because the flux of the primary force of repulsion is 
uniform, and is consumed primarily by interception from all 
atoms, incidentally in maintaining the motions of revolution 
of all the cosmical bodies (in the universe), and all the molecu- 
lhe perpetually neutralizing each other within these 
From our present point of view we may also diaoern that the 
physical oe ordinarily so called, have an entirely different 
origin from that above mentioned. We may perceive that they 
are all ster ~~ direct or indirect result of the operation of the 
general force of gravitation, which is itself a consequence of the 
operation « of the cosmical force of repulsion. Gravitation is the 
t agent in two general classes of phenomena, viz: the 
revolution of one cosmical body around another, se the act 
of condensation of every such body upon its center of gravity. 
In the former the motion is curvilinear, and all the living force 
imparted by gravity to either body, while the two are a —= 
ing each other, is taken out, - the operation of the 
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