Yantras or Mechanical Contrivances in Ancient India c2.210

c2.210

The fourth, *Vibhramaka*, provides for increased accommodation and variety of motion. At the base here is a solid platform and a square structure with mechanism; over these is a floor with eight seats, and above these another round of seats; spoked wheels link up the whole erection; the speciality here is, each floor has its own different movements, creating, as the name implies, a complex of circular movements (201-8).