TO PRODUCE SOUNDS LIKE DISTANT FIRING OF ARTILLERY.
Suspend a large sheet of Russia iron by means of a rope, and strike it in the centre with a heavy drumstick. At a short distance, the sound resembles the booming of heavy artillery.
Suspend a large sheet of Russia iron by means of a rope, and strike it in the centre with a heavy drumstick. At a short distance, the sound resembles the booming of heavy artillery.