Time Dimension
This exceptional clock is the work of Hans Donner, a German-born artist-designer now living in Brazil.
The small disk in the middle serves as the seconds indicator.
The disk in the middle is for the hour passage and the outer disk acts as the minute indicator.
The outstanding feature of all of this is the fact that the disks do not operate independently but rather interact within each other.
This clock (see photo) graced the Brazilian Pavilion at EXPO 2000 in Hannover (Germany).
Time Dimension as a Wall Clock
The production process of this magnificent Wall Clock, whose patent rights belong to Hans Donner, was handled exclusively by PERROT TURMUHREN of Calw (Germany).