History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c12.s1.t13.13
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c12.s1.t13.13
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v1.c12.s1.t13.13
For ventilation usually the miners relied on natural ventilation. But there are evidences in pairs of shafts and linked finger stopes to suggest that intake and return airways were separated particularly at Zawar Mala and at Rajpura-Dariba.