History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c32.s2.t9.38
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c32.s2.t9.38
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v1.c32.s2.t9.38
And, according to E.J. Mackay, “they are frequently coated with a thin cream wash, they all have deep spiral grooves round the middle, which would have served to give greater security if they are attached to some kind of water-wheel” (Mackay, E.J. 1937-38, 1, p. 193).