tə sˈeɪv ðə kɹˈæft, hˈʌndɹɪdz ʌv pˈaʊndz ʌv mˈɜːkjʊɹi bˈæləst jˈuːzd fɔːɹ tɹˈɪm wʌz hˈænd pˈʌmpt ˌɑːntʊ ðɪ ˈoʊʃən flˈoːɹ ænd ðə kɹˈæft kʊd ɹˈaɪz.
To save the craft, hundreds of pounds of mercury ballast used for trim was hand pumped onto the ocean floor and the craft could rise.