Muchidimbu: Mumakore e1740, chimiro chechimiro chesimbi chakagadzirwa chakawanikwa icho chakabvumira kugadzirwa kwesimbi yemhando yepamusoro kupfuura zvaive zvisati zvaitika. Munenge panguva imwecheteyo, nzira yakagadzirwa yekubatanidza pepa rakapfava resirivha pamhangura yemhangura kuti ibudise sirivha, iyo yakazozivikanwa zvikuru seSheffield plate. Zvinhu izvi zvitsva zvakakurudzira kukura kweSheffield seguta remaindasitiri, asi kurasikirwa kwemamwe misika yakakosha yekutengesa kunze kwenyika kwakakonzera kuderera kwehupfumi mukupera kwezana ramakore rechi18 nekutanga kwezana ramakore rechi19. Mamiriro ezvinhu akaipa akazoguma nedenda rekorera rakauraya vanhu 402 muna 1832. Huwandu hweguta hwakakura nekukurumidza muzana ramakore rechi19; kubva pa60,095 muna 1801 kusvika pa451,195 muna 1901.
chirwere chekorera