Used Acrison model GP403-300-100-101-GG gravimetric weigh feeder, S/N 97278-02. Stainless steel contact parts, 2 ½” diameter auger screw gearbox with a 30:1 reduction ratio driven by an Emerson DC 1HP 1750 RPM 90V DC motor with silicone controlled rectifier DC control with load cell vibrator on feed hopper and feeder. No lid on hopper with controls, 1997 model year.