William Thomson, 1st Baron Kelvin Quote

Considering it as thus established, that heat is not a substance, but a dynamical form of mechanical effect, we perceive that there must be an equivalence between mechanical work and heat, as between cause and effect.


'On the Dynamical Theory of Heat, with Numerical Results Deduced from Mr. Joule's Equivalent of a Thermal Unit, and M. Regnault's Observations on Steam' (1851)


Considering it as thus established, that heat is not a substance, but a dynamical form of mechanical effect, we perceive that there must be an...

Considering it as thus established, that heat is not a substance, but a dynamical form of mechanical effect, we perceive that there must be an...

Considering it as thus established, that heat is not a substance, but a dynamical form of mechanical effect, we perceive that there must be an...

Considering it as thus established, that heat is not a substance, but a dynamical form of mechanical effect, we perceive that there must be an...