History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t4.80

v1.c13.s2.t4.80

features must have been achieved after keen observation and experience of operating large number of furnaces. It is important to note that Indian smelters had achieved these optimised conditions with time inspite of their ignorance of modern physico-chemical principles and the changes occurring in the raw material during reduction.