in the Lester Allan Pelton invented The Pelton wheel a water turbine that extracts energy from moving water. Many variations of water turbines existed prior to Pelton's design, but they were less efficient.
Now THIS is the kind of tub I want!-D -- The master bathroom. A blue-green mosaic-inspired bath, reminiscent of a rock pool, sits under the natural illumination of a skylight. A large wooden stool provides a seat for grooming.- this is a beautiful tub.