[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) › v1.c12.t5.30 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t5.30 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t5.30 - **Language:** English ### [v1.c12.t5.30](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t5.30) Tīkshnam (properly cast-iron, steel) : there are 6 varieties of it. One variety is rough and free from hair-like lines and has a quicksilver-like fracture and breaks when bent. Another variety breaks with difficulty and presents a sharp edge. 75-78 - [Previous: v1.c12.t5.29](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t5.29) - [Next: v1.c12.t5.31](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t5.31) - [Up: v1.c12.t5](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t5) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c12.t5.30](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t5.30) · Pramāṇa