[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) › c2.192 # Yantras or Mechanical Contrivances in Ancient India c2.192 Yantras or Mechanical Contrivances in Ancient India c2.192 - **Language:** English ### [c2.192](https://indike.org/pramana/ins.science.raghavan-1952.c2.192) Similar robots are used for the palace guard; one such stands at the gate with a baton, sword, iron rod, spear or other weapon and prevents the entry of outsiders. This can quickly and quietly kill thieves who break into the palace at night. (106-7). - [Previous: c2.191](https://indike.org/pramana/ins.science.raghavan-1952.c2.191) - [Next: c2.193](https://indike.org/pramana/ins.science.raghavan-1952.c2.193) - [Up: c2](https://indike.org/pramana/ins.science.raghavan-1952.c2) ## Cites (1) - [Samarāṅgaṇasūtradhāra](https://indike.org/pramana/in.art.silpa.samaranganasutradhara) — Bhoja, Sanskrit --- Source: [https://indike.org/pramana/ins.science.raghavan-1952.c2.192](https://indike.org/pramana/ins.science.raghavan-1952.c2.192) · Pramāṇa