Hindu Achievements in Exact Science: A Study in the History of Scientific Development c16.6

c16.6

1. According to Prafullachandra Ray, the earliest Hindus knew of the distinction between green and blue vitriol. But Dioscorides, the Greek, and Pliny, the Roman, both belonging to the first century A.D., confounded the two. Even Agricola's ideas were not clear (1494-1555).