Bridgeport Series I Vertical Turret Milling Machine - Series I For more than 38 years the Bridgeport Series I has been the basic machine tool - a standard - in industrial ... 9 x 42 in. (229 x 1067mm) 9 x 48 in. (229 x 1219mm) 3 on 2½ in. (64mm) centers 5/s in. (16mm) 47¼ in. (1200mm) 2 hp (1.5kW)