[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) › c27.s1.26 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c27.s1.26 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c27.s1.26 - **Language:** English ### [c27.s1.26](https://indike.org/pramana/ins.science.ray-1956.c27.s1.26) \*Silajatu\* (bitumen) is of two kinds,—one having the smell of cow's urine, the other resembling camphor. It oozes out in the heat of the sun at the foot of the Himalayas from the bowels of gold, silver and copper respectively 109-111 - [Previous: c27.s1.25](https://indike.org/pramana/ins.science.ray-1956.c27.s1.25) - [Next: c27.s1.27](https://indike.org/pramana/ins.science.ray-1956.c27.s1.27) - [Up: c27.s1](https://indike.org/pramana/ins.science.ray-1956.c27.s1) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c27.s1.26](https://indike.org/pramana/ins.science.ray-1956.c27.s1.26) · Pramāṇa