[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D.](https://indike.org/pramana/ins.science.bag-1997) › v1.c16.s6.2 # History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c16.s6.2 History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c16.s6.2 - **Language:** English ### [v1.c16.s6.2](https://indike.org/pramana/ins.science.bag-1997.v1.c16.s6.2) (ii) Use of manganese is restricted and has been reported from glasses from Kausambi (1. 42%) and Taxila glasses have upto 0.34%. Glasses of violet colour do not seem to be of indigenous origin. Such glasses as reported from Arikamedu and Ter look to be of Roman origin. Use of 0.10% MnO in glasses containing 2.5% Fe2O3 is reported for making colourless glass at Kopia. - [Previous: v1.c16.s6.1](https://indike.org/pramana/ins.science.bag-1997.v1.c16.s6.1) - [Next: v1.c16.s6.3](https://indike.org/pramana/ins.science.bag-1997.v1.c16.s6.3) - [Up: v1.c16.s6](https://indike.org/pramana/ins.science.bag-1997.v1.c16.s6) ## Cites (1) - [Kauśāmbī](https://indike.org/pramana/inp.site.kausambi) --- Source: [https://indike.org/pramana/ins.science.bag-1997.v1.c16.s6.2](https://indike.org/pramana/ins.science.bag-1997.v1.c16.s6.2) · Pramāṇa