The face of the gauge is undeniable and the repetition of the word "oxygen" is just a bit needless. Like the small talk and chit chat that keeps a conversation alive. In Danish the expression is "pour water out of your ears," that's the reason for the water. The base is made of oak that is taken from the legs of an old table. The table has passed through many generations and is expected to originate from the late 1800's. I have left the edges of the wood base in the original colour to show the patina of years passed.

 

Materials. Oxygen gauges, brass, steel, epoxy and oak