A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c22.s4.t2.4
A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c22.s4.t2.4
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v1.c22.s4.t2.4
Now 0·622 × 240/232 g = 0·643g