Insulation 1 / 4-horsepower motor 48:1 speed reducer TrunnionsFigure 2. Diagram of Autoclave 4• To hydrogen supply and pressure gage P. Oil reservoir ¡ C. Hydrogen line * P. Water-cooled stuffing box p. Thermocouple well F, Thrust bearing G, Handhole P• Lantern ring /. Air bleed-off valve J. Dowtherm vapor line JC. Dowtherm condensate return