A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c16.s1.18

v1.c16.s1.18

By varying the proportions of the ingredients, *viz.*, charcoal, sulphur, saltpetre, realgar, orpiment, calx of lead, asafœtida, iron powder, camphor, lac, indigo and the resin of *Shorea robusta*, different kinds of fires are devised by the pyrotechnists giving forth flashes of starlight.” 206-208