For info:
Patterson Kelley vacuum processor. Serial number 234119, 3 cubic foot working capacity. It is rated for a maximum material bulk density of a heavy 230 pounds per cubic foot. Maximum jacket pressure is 30 psi and maximum temperature is 250 degrees F. Electrical services is 230/460 volts, 3 phase, 60 Hz. An agitator inside is included. Material of construction is stainless steel. New in 1975. F.O.B. Detroit, Michigan. Immediately delivery.