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Dhūpa yantram. (See p. 125)
Koshthì apparatus,
for the extraction of zinc from calamine. (See p. 80)
Page:A History of Hindu Chemistry Vol 1.djvu/425
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Dhūpa yantram. (See p. 125)
Koshthì apparatus,
for the extraction of zinc from calamine. (See p. 80)