ðiːz pɹˈoʊɾoʊkˈænənz wˌɪtʃ fˈaɪɚd kˈoʊvˈaɪətˌɪv pɹədʒˈɛktəlz, nˈoʊn æz ɪɹˈʌptɚz,wɜː ðə fˈɔːɹʌnɚz ʌvðə hˈænd kˈænən.
These proto-cannons which fired co-viative projectiles, known as 'eruptors,' were the forerunners of the hand cannon.