History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c17.s2.t3.7
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c17.s2.t3.7
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v1.c17.s2.t3.7
The process of sawing, engraving and giving final shape to the shell objects was almost identical in Kathiawar and the Indus Valley. The saw marks on the columella and the valva clearly show that the shell was turned slowly while sawing with a bronze wire.