[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D.](https://indike.org/pramana/ins.science.ray-1902) › v2.c32.s3.11 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.s3.11 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.s3.11 - **Language:** English ### [v2.c32.s3.11](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s3.11) Couplets (in p. 29, Sans. texts) : The purport seems to be that when mercury is rubbed with certain sulphides, \*e. g.\* orpiment, pyrites &c., and sublimed, it assumes the colour of lac or \*Coccinella\* insect (a poetical and figurative way of expression for red colour) in the shape of the red crystalline sulphide. - [Previous: v2.c32.s3.10](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s3.10) - [Next: v2.c32.s3.12](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s3.12) - [Up: v2.c32.s3](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s3) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c32.s3.11](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s3.11) · Pramāṇa