TY - JOUR T1 - On the Geometrical Representation of the Expansive Action of Heat, and the Theory of Thermo-Dynamic Engines. JF - Abstracts of the Papers Communicated to the Royal Society of London (1843-1854) VL - 6 SP - 388 EP - 392 PY - 1850/01/01/ UR - http://dx.doi.org/10.1098/rspl.1850.0139 M3 - doi:10.1098/rspl.1850.0139 AU - Rankine, W. ER -