Vase of Tantalus
As you pour water into a Cup of Tantalus, the cup fills with water, but after it reaches a certain height, the water begins to drain through the siphon.
A. Privat Deschanel Elementary Treatise on Natural Philosophy Part I. Mechanics, Hydrostatics, and Pneumatics (New York: D. Appleton and Company, 1884) 235
Courtesy the private collection of Roy Winkelman