[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.c35.98 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c35.98 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c35.98 - **Language:** English ### [v2.c35.98](https://indike.org/pramana/ins.science.ray-1902.v2.c35.98) Popularly, a single condition, say the lens or the fire-drill, is said to be a cause of fire; but, in view of the plurality of causes, this is apt to be misleading, as there is no Vyápti in this case; the lens or the fire-drill is no more a mark of fire than fire is a mark of the lens or the fire-drill. - [Previous: v2.c35.97](https://indike.org/pramana/ins.science.ray-1902.v2.c35.97) - [Next: v2.c35.99](https://indike.org/pramana/ins.science.ray-1902.v2.c35.99) - [Up: v2.c35](https://indike.org/pramana/ins.science.ray-1902.v2.c35) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c35.98](https://indike.org/pramana/ins.science.ray-1902.v2.c35.98) · Pramāṇa