Minerals and Metals in Ancient India v1.c26.s8.8

v1.c26.s8.8

The process at Warmley used the same arrangement of retorts and the same technique of ‘distillation per descensum’ as in Zawar and even included 1.5 weight per cent common salt in the zinc-smelting charge. The closeness was indeed ‘notorious’! Craddock et al. (1985) possibly overlooked the significant remark made on the subject by Ball. Mentioning about Beckmann’s History of Inventions (Bohn’s Edition, ii, p. 32), and his comments about the earliest efforts for making zinc in Europe, V. Ball wrote: