[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D.](https://indike.org/pramana/ins.science.bag-1997) › v1.c19.66 # History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c19.66 History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c19.66 - **Language:** English ### [v1.c19.66](https://indike.org/pramana/ins.science.bag-1997.v1.c19.66) The Final prakaraṇa entitled nighantu provides a list of dravyas, substances, used in different items of cosmetics and perfumes and lays down norms of their parīkṣā or examination before their actual use. Following the method of earlier nighantus, the author classified these substances into eight vargas, namely, patra, leaves, puṣpa, flowers, phala, fruits, tvak, bark, kāṣṭha, wood, mūla, roots, niryāsa, exudations, jīva, material derived from living animals. - [Previous: v1.c19.65](https://indike.org/pramana/ins.science.bag-1997.v1.c19.65) - [Next: v1.c19.67](https://indike.org/pramana/ins.science.bag-1997.v1.c19.67) - [Up: v1.c19](https://indike.org/pramana/ins.science.bag-1997.v1.c19) --- Source: [https://indike.org/pramana/ins.science.bag-1997.v1.c19.66](https://indike.org/pramana/ins.science.bag-1997.v1.c19.66) · Pramāṇa