[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) › c2.211 # Yantras or Mechanical Contrivances in Ancient India c2.211 Yantras or Mechanical Contrivances in Ancient India c2.211 - **Language:** English ### [c2.211](https://indike.org/pramana/ins.science.raghavan-1952.c2.211) The last, \*Tripura\*, increases the tiers by one, justifying its name of three cities in air, each higher floor being of smaller dimensions; a large number of connecting links, small wheels and steps leading from one tier to the other are mentioned (209-18). - [Previous: c2.210](https://indike.org/pramana/ins.science.raghavan-1952.c2.210) - [Next: c2.212](https://indike.org/pramana/ins.science.raghavan-1952.c2.212) - [Up: c2](https://indike.org/pramana/ins.science.raghavan-1952.c2) --- Source: [https://indike.org/pramana/ins.science.raghavan-1952.c2.211](https://indike.org/pramana/ins.science.raghavan-1952.c2.211) · Pramāṇa