[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [Yantras or Mechanical Contrivances in Ancient India](https://indike.org/pramana/ins.science.raghavan-1952) › c2.210 # Yantras or Mechanical Contrivances in Ancient India c2.210 Yantras or Mechanical Contrivances in Ancient India c2.210 - **Language:** English ### [c2.210](https://indike.org/pramana/ins.science.raghavan-1952.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). - [Previous: c2.209](https://indike.org/pramana/ins.science.raghavan-1952.c2.209) - [Next: c2.211](https://indike.org/pramana/ins.science.raghavan-1952.c2.211) - [Up: c2](https://indike.org/pramana/ins.science.raghavan-1952.c2) --- Source: [https://indike.org/pramana/ins.science.raghavan-1952.c2.210](https://indike.org/pramana/ins.science.raghavan-1952.c2.210) · Pramāṇa