History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c12.s1.t6.7
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c12.s1.t6.7
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v1.c12.s1.t6.7
At another place the area has double arching, one set above the other. Evidently the upper arches were formed in the original advance-dip, the lower by reworking towards the up-dip.