A rare inscription depicting a land measuring scale belonging to the Chola period has been found recently. The scale was found on the uper surface of the oldest vimana of Sri Kasi Viswanatha Swamy
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/chola-period-inscription-found
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi