History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c11.s1.t2.2

v1.c11.s1.t2.2

Fig. 4 Cire Perdue casting method explained: Stage 1. The terracotta core with pins., Stage 2. Wax model of the cat enclosing the terracotta core.; Stage 3. Terracotta covering over the wax model; the arrows indicate inlet and outlet for the molten metal. Stage 4. The molten metal washes out the wax model and replaces it with the metal. The casting is allowed to cool and the clay covering is broken to uncover the bronze figure