[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.c34.317 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c34.317 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c34.317 - **Language:** English ### [v2.c34.317](https://indike.org/pramana/ins.science.ray-1902.v2.c34.317) A triad ( Tryanuka ), then, holds together three atoms (Anus), not three binary molecules (Dvyanu-kas) as on the orthodox hypothesis. Similarly with tetrads, pentads, etc. ( चतुर्विधाः परमाणवः क्षितिजलाग्नि-वायूनाम् । द्वाभ्यां परमाणुभ्यां द्वयणुकमारभ्यते त्रिभिः - [Previous: v2.c34.316](https://indike.org/pramana/ins.science.ray-1902.v2.c34.316) - [Next: v2.c34.318](https://indike.org/pramana/ins.science.ray-1902.v2.c34.318) - [Up: v2.c34](https://indike.org/pramana/ins.science.ray-1902.v2.c34) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c34.317](https://indike.org/pramana/ins.science.ray-1902.v2.c34.317) · Pramāṇa