problematic new entries a number of older cannon has been added over the years in the categories stone balls and iron balls and shot whose caliber has not been sourced namely malik i maidan jaivana dalmadal dala mardana and zamzama another entry the basilic cannon is sourced but the value seems more of a modern guesstimate less the result of reliable historical documentation or modern measurements i am of the view that the former pieces should be removed from the list until reliable scholarly sources can be put forward while the latter is debatable for its inevitable vagueness