Nharireyomurindi yacho yakatanga kuvakwa muna 1854 naEdward John Dent, mugadziri wemaawa. Mushure mekufa kwake muna 1853, mwanakomana wake wedangwe Frederick Dent akapedza basa racho muna 1854. Sezvo shongwe yacho yakanga isati yapera kusvika muna 1859, Denison akawana nguva yekuedza: panzvimbo pekushandisa kupukunyuka kwekurohwa uye remontoire sezvakanga zvagadzirwa pakutanga, Denison akagadzira kupukunyuka kwegiravhiti ine makumbo matatu. Kupukunyuka uku kunopa kupatsanurwa kwakanakisisa pakati pependuru nemaitiro ewadhi. Penduru yakaiswa mukati mebhokisi rakavharwa risina mhepo pasi pewadhi. Inorema 13 tsoka (4.0 m) kureba, inorema 660 kg (300 kg), yakamiswa pane tambo yesimbi ine 1⁄64 inch ukobvu, uye inokwana masekondi mashanu ega ega muimba.
Edmund Beckett Denison