Chemicolloid Laboratories "Charlotte" Model Sd-2 Stainless Steel Inline Horizontal Colloid Mill, S/N 3123-R2. Mounted On Base, Driven By 3 Hp 3/60/230-460 Volt Tefc Motor. Equipped With 12" Diameter Stainless Steel Conical Feed Hopper Which Can Be Removed If Continuous Production Is Required .