History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t5.2
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t5.2
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v1.c13.s2.t5.2
*Fig. 44. Sketch of the complete zinc retort furnace, showing retorts and condenser vessel in position*