Note 32 — Chapter II · SALTPETRE
Reading edition
“Hindu Chemistry,” by Praphulla Chandra Rāy, Professor of Chemistry, Presidency College, Calcutta, 1902, pp. 99-100.
Reading edition
“Hindu Chemistry,” by Praphulla Chandra Rāy, Professor of Chemistry, Presidency College, Calcutta, 1902, pp. 99-100.