kugel fountain

English

Principle of operation of a Kugel fountain
(A) Water flowing between the sphere and its shaped holder lifts the ball slightly.
(B) Water flows over the sides into a reservoir.
(C) Water is pumped back in an endless loop.
(D) Pump.
(E) Ball can easily be moved by hand.

Etymology

From German Kugel (“sphere, orb”).

Noun

kugel fountain (plural kugel fountains)

1. A water feature or sculpture having a sphere that sits in a fitted hollow in a pedestal, supported by aquaplaning on a thin film of water, so that despite its weight it can be turned by hand.