[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) › c2.190 # Yantras or Mechanical Contrivances in Ancient India c2.190 Yantras or Mechanical Contrivances in Ancient India c2.190 - **Language:** English ### [c2.190](https://indike.org/pramana/ins.science.raghavan-1952.c2.190) The third class of yantra described is the aerial vehicle, to which we shall come last. - [Previous: c2.189](https://indike.org/pramana/ins.science.raghavan-1952.c2.189) - [Next: c2.191](https://indike.org/pramana/ins.science.raghavan-1952.c2.191) - [Up: c2](https://indike.org/pramana/ins.science.raghavan-1952.c2) --- Source: [https://indike.org/pramana/ins.science.raghavan-1952.c2.190](https://indike.org/pramana/ins.science.raghavan-1952.c2.190) · Pramāṇa