Discusses promising new technology of the Erickkson [sic] (Ericsson) Caloric Engine, an innovative heat transfer machine, fueled by wood or coal. His job as head of the Water project includes “laying out branch ditches, building dams and bridges, fluming across valleys, etc.” Must be on call at any hour “when anything happens to the ditch”; must immediately assemble a crew of laborers to repair damage. He supervises every detail of the whole system, 40 miles long “over roughest country and steepest hillsides.”