History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c14.s1.11

v1.c14.s1.11

To complete the opening at the edge of the triple mould, the two outer discs were excavated on their inner sides into shallow depressions which were either fitted opposite each other (on either side of the notch in the middle disc), or lay obliquely on two sides of the middle disc. Molten metal could be poured through the channels made of the above noted ‘V’ shaped notches (on two sides of the middle discs) and depressions (on the inner sides of the outer discs).