[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.c34.284 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c34.284 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c34.284 - **Language:** English ### [v2.c34.284](https://indike.org/pramana/ins.science.ray-1902.v2.c34.284) Others hold that A´kása, Ether, never enters as a component part, and is always one and indivisible. In this view, the four Mahábhútas—Váyu, Tejas, Ap and Earth alone are supposed to be compounded, and by a process which may be called quaternion (cf. the Neo-Platonist quaternion) :— V = v₃ ( t₁. ap₁. e₁) T = t₃ ( v₁. ap₁. e₁) AP = ap₃ ( v₁. t₁. e₁) E = e₃ ( v₁. t₁. ap₁) - [Previous: v2.c34.283](https://indike.org/pramana/ins.science.ray-1902.v2.c34.283) - [Next: v2.c34.285](https://indike.org/pramana/ins.science.ray-1902.v2.c34.285) - [Up: v2.c34](https://indike.org/pramana/ins.science.ray-1902.v2.c34) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c34.284](https://indike.org/pramana/ins.science.ray-1902.v2.c34.284) · Pramāṇa