 AG Bell akavhura chikoro muBoston muna 1872 chevadzidzisi ve chii?Alexander Graham Bell akatanga chikoro muBoston muna 1872 kudzidzisa vadzidzisi veMatsi. Kuzvipira kwake kufambisira mberi nzira dzekutaura kunharaunda yevasinganzwe kwakasiya pesvedzero isingaperi. 