The Braun Simplex crusher is made in one style only, for both hand and power operation. The flywheel has a handle attached for hand operation. The power pulley is 16 inches in diameter, with a 2½ inch face, and requires ½ H.P. The jaw is 6×3 inches, and the opening is 2×3 inches. LABORATORY JAW CRUSHER, Ore, Chipmunk, Braun