[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray](https://indike.org/pramana/ins.science.ray-1956) › c15.s2.62 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c15.s2.62 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c15.s2.62 - **Language:** English ### [c15.s2.62](https://indike.org/pramana/ins.science.ray-1956.c15.s2.62) Vrihat Samhita also describes several preparations of cements or powders called \*vajra-lepa\* which means literally "paints or coatings as strong as the thunder-bolt", and \*vajra-samghaṭa\* meaning "composition as hard as the thunder-bolt". - [Previous: c15.s2.61](https://indike.org/pramana/ins.science.ray-1956.c15.s2.61) - [Next: c15.s2.63](https://indike.org/pramana/ins.science.ray-1956.c15.s2.63) - [Up: c15.s2](https://indike.org/pramana/ins.science.ray-1956.c15.s2) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c15.s2.62](https://indike.org/pramana/ins.science.ray-1956.c15.s2.62) · Pramāṇa