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 conditions. Following this addition, the design was frozen and the company proceeded to commence the construction of production tooling for the fourth serial aircraft. At this time, certification of the D-JET was forecast to occur during late 2013, while the first deliveries of production aircraft were to commence during the third quarter of 2014. During April 2012, Maurer indicated that other companies had been hiring their laid-off workers, especially engineers. American manufacturer Piper Aircraft announced that as many as 25 engineers may be moving to Vero Beach, Florida to work on their own personal jet programme, the Altaire. Media reports