The Copper Kettle is a simple anesthesia vaporizer of historical significance; however, it's simple function is useful when trying to understand the physical properties of volatile anesthetics and modern vaporizers.
Part 1: 15 minute power lecture video by Mark Rice, MD.
Part 2: Copper kettle figure with the calculations for concentration output.
Part 3: Flash animation of a copper kettle. Play with the dials to see how it works.