lˈɔːɹd vˈaɪkaʊnt mˈɔːɹpəθ ˈɪndᵻkˌeɪɾᵻd hiː ɛkspˈɛktᵻd ðɪ ɛkstˈɛnʃən tə kˈɔst pˈaʊnd fˈɪftiːn,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ ænd ʃˌʊd ðə sˈɪstəm fˈeɪl ðə lˈɔs wʌz ɛkspˈɛktᵻd təbi nˈoʊmˌoːɹ ðɐn pˈaʊnd sˈɛvən,fˈaɪvhˈʌndɹɪd.
Lord Viscount Morpeth indicated he expected the extension to cost £15,000 and should the system fail the loss was expected to be no more than £7,500.