Great Fountain, Enville to conceive. This, the large fountain, is on a level with the surface of the lake, and composed of five jets, the central one throwing a column of water 150 feet high; the supply being obtained from a large reservoir on the hill, to which it is first pumped by the united action of two engines, each of thirty horsepower.". The water continued to jet for several minutes, until the water in the reservoir was exhausted. The Great Fountain was the early ancestor of similar fountains located in lakes or bays, such as the Jet d'Eau in Geneva, Switzerland, which
Diamond D-Jet miles from its 25,000-foot ceiling altitude. The cabin of the D-JET was intended to feature various design elements to enhance onboard comfort, such as the proposed seating layout and the low vibration levels present during flight, for both passengers and crew. The center cockpit pedestal is cantilevered to ease entrance and egress in comparison to some competitors. Separated baggage compartments are located within the interior of the aircraft's nose and to the aft of the main cabin, both of which being externally accessed. The D-JET is powered by a single Williams FJ33-4A turbofan engine, which is equipped with an electronically