Bottom of the device where they were located large water wheels. Even today in the stone walls that made up the ducts, you can see the support of the mechanisms of these wheels driven by the driving force for water flow. They had the peculiarity of his position to adapt to different levels of seasonal flooding, very frequent then stripped of its current river swamps, in order to stabilize its driving energy.
This picture shows a collage made with the 2nd model of Juan Luis Fish Sales, professor, craftsman and model maker who spent years of his life to research and scientific analysis of wit. This model based on the theory of the inclined plane replaces the first one conducted on the theory, widely accepted until then, vertical towers and now housed in the palace of the Provincial Council of Toledo.
There have been several attempts to reconstruct all or part of this plantation, in 1966 the General Directorate of Fine Arts decided to build it without success, and later there were several attempts that the tangled politics and other powers left in oblivion. Recently there are some serious reconstruction projects and documented as the foundation Juanelo Turriano (http://www.juaneloturriano.com/) that adds new 3D technologies.
Today, with the enhancement of the banks in this area, and pedestrian and made the round inner ring would be a golden opportunity to try again. Toledo, thousands of visitors and the memory of the distinguished Juanelo Turriano, who died here completely ruined by the shameful municipal defaults, they deserve it.
Source: Luis Moreno Nieto and Angel Moreno Santiago "Juanelo and Artifice" DB Publishing ISBN 84-611-3484-2