..." Fahrenheit." This jacketsteam hasalso a tendency to producaen increase of pressure by the evaporation of water due topriming, or the admissionof water mixed withsteam. Assuming that steamof 23 atmospheres pressureis nominally expanded to 3 an atmosphere at the end of the stroke, we should have about 593...

... STROKES CORNWALL HUEL TOWN HOLMBUSH FOWEY CONSOLS UK X.-Onthe Action of Steam in Cornish Single Pumping Engines. BY JOSIAH PARKES, M. INST. C. E. Read June 16th, 1 W . INTRODUCTION. IT is generally believed andadmittedbyengineersthat someeconomy is derived fromworkingsteam expansively...