[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) › c2.187 # Yantras or Mechanical Contrivances in Ancient India c2.187 Yantras or Mechanical Contrivances in Ancient India c2.187 - **Language:** English ### [c2.187](https://indike.org/pramana/ins.science.raghavan-1952.c2.187) 1. A wooden bird in whose hollow body is placed a copper contrivance one inch long and one-quarter inch high, of slender cylindrical shape, in two well-joined halves allowing a hole at the centre along which air passes when the bird moves, creating a pleasing sound (89-90). - [Previous: c2.186](https://indike.org/pramana/ins.science.raghavan-1952.c2.186) - [Next: c2.188](https://indike.org/pramana/ins.science.raghavan-1952.c2.188) - [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.c2.187](https://indike.org/pramana/ins.science.raghavan-1952.c2.187) · Pramāṇa