Used Parr Pressure Reaction Apparatus, 0.5 Gallon, Model 4501. 316 Stainless steel, vertical. Approximate 4" diameter x 10-1/2" deep. Flat clamp on top, flat bottom. Maximum rating 1000 psig at 350 degrees C. (662 F.). Approximate 1/4" diameter internal coil. Top entering agitator, 1/4" shaft with (2) 6 blade turbines, driven by a 1/4 hp, 90 volt, DC motor. Includes a 1500 watt heating mantel jacket, control panel with solo 4848 temperature controller, and a Baldor DC drive. Mounted on a base. Serial# 1549.