IDENTICAL CHANGES 



but on that which produces the pressure on one 

 side and yields to the pressure on the other side. 



And a continuous transmission of force can be 

 accomplished only through a continuous flow of 

 material from the transmitting to the receiving 

 body. 



Therefore, something must pass away, from the 

 body that is cooling and contracting, and something 

 must be added to the body that is expanding by 

 heat. 



And this something must be material, for if 

 force can be added to an identical body without 

 an addition of material, then that force is an occult 

 force, working without material, and, therefore, 

 beyond human reasoning. 



Then because that added material does (Axiom 

 1) not add weight to the substance heated, it cannot 

 be organized material; it must be void matter 

 which is not incorporated into the constitution of 

 the heated body. Yet it is incorporated into the 

 bulk of the substance heated; and to that extent 

 it must be conceded that there is an actual addi- 

 tion of material to the heating substance. That 

 these P. S. which are added to a body expanding 

 by heat come directly from a cooling body does not 

 seem necessary, when it is considered that the 

 Universe is an immense reservoir of Primary 

 Spheres. 



Evidently heat is a property pertaining to or- 

 ganized matter only, for if ether were capable of 

 being changed by heat that is, heated up or cooled 

 151 



