[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.c35.119 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c35.119 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c35.119 - **Language:** English ### [v2.c35.119](https://indike.org/pramana/ins.science.ray-1902.v2.c35.119) (2) Make a paste with the juice of the Arka (Calotropis Gigantea), the gelatine from the horn of the sheep, and the dung of the pigeon and the mouse ; apply it to the steel after rubbing the latter well with (sesame) oil. Plunge the steel, thus treated, into fire ; and when it is red-hot, sprinkle on it water, or the milk of the horse (or the camel or the goat), or ghee (clarified butter), or blood, or fat or bile. Then, sharpen on the lathe. - [Previous: v2.c35.118](https://indike.org/pramana/ins.science.ray-1902.v2.c35.118) - [Next: v2.c35.120](https://indike.org/pramana/ins.science.ray-1902.v2.c35.120) - [Up: v2.c35](https://indike.org/pramana/ins.science.ray-1902.v2.c35) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c35.119](https://indike.org/pramana/ins.science.ray-1902.v2.c35.119) · Pramāṇa