Eiger model 2l-h-vse-exp, motormill labratory bead mill, serial # 655. Features two liter jacketed mixing chamber, stainless steel construction, can be used for batch or recirculating grinding, 3. 75 kw, 3 phase/ 60 cycle/230 volt, explosion proof motor, mounted in self contained housing, cabinet dimensions 17" x 17" x 11" high, 28" overall lenght with mill added to cabinet size, made in 1984