A Knife of Fire
Oxygen and acetylene form the "blade" of this marvelous knife which cuts through a piece of Krupp steel sixteen inches square in four minutes.Oxygen and acetylene form the "blade" of this marvelous knife which cuts through a piece of Krupp steel sixteen inches square in four minutes.Oxygen and acetylene form the "blade" of this marvelous knife which cuts through a piece of Krupp steel sixteen inches square in four minutes.
