475. English Spring Scale. 3-7/8" high. Oblong bakelite base 2-3/4" wide x 4-3/8" deep. Metal frame with open sides. Oblong brass bottom; round brass plate. Curved face calibrated in oz. (0-16) and quarter lbs. (0-1 lb). Markings: "Excelite. British Manufacture." Signed: "S & D (Setton & Durwood) Criterion."