Minerals and Metals in Ancient India v1.c27.s2.t2.31

v1.c27.s2.t2.31

Countering Ghosh’s argument about the Delhi pillar, just now cited, Wranglén (1970: 763) pointed out that “the lowest part of the pillar, which is buried in the ground in a moister environment than the atmosphere, is covered by a rust layer more than 1 cm thick, and shows corrosion pits up to 10 cm deep; this indicates that climate rather than composition is the deciding factor in its corrosion-resistance”.