10.1184/R1/6478841.v1 William Alan. Day William Alan. Day On the conversion of heat into mechanical work Carnegie Mellon University 1968 Heat. Work (Mechanics) Thermodynamics. 1968-01-01 00:00:00 Journal contribution https://kilthub.cmu.edu/articles/journal_contribution/On_the_conversion_of_heat_into_mechanical_work/6478841 Mathematics Technical Report