[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.t1.62 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.t1.62 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.t1.62 - **Language:** English ### [v2.c32.t1.62](https://indike.org/pramana/ins.science.ray-1902.v2.c32.t1.62) “ But we cannot point to a new fact which he elucidated. He divided all chemical operations into twelve processes—calcination, dissolution, separation, conjunction, putrefaction, congelation, cibation, sublimation, fermentation, exaltation, multiplication and projection. Several MS. copies of his poem exist in the British Museum, bound up with copies of the works of Roger Bacon and earlier writers. Here is a specimen of his rugged rhymes:— - [Previous: v2.c32.t1.61](https://indike.org/pramana/ins.science.ray-1902.v2.c32.t1.61) - [Next: v2.c32.t1.63](https://indike.org/pramana/ins.science.ray-1902.v2.c32.t1.63) - [Up: v2.c32.t1](https://indike.org/pramana/ins.science.ray-1902.v2.c32.t1) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c32.t1.62](https://indike.org/pramana/ins.science.ray-1902.v2.c32.t1.62) · Pramāṇa