Ku dhammaystir weedha soo socota:
Bandhigga Caalamiga ah ee Korontada, shumacyada Yablochkov waxaa loo tixgeliyey inay yihiin mid ka mid ah waxyaabaha soo jiidashada leh. Waqtigaas qiimahooda waxaa lagu qiyaasay inay hoos uga dhacday 66 senti (franc Faransiis ah) sanadkii 1877 illaa 10 senti oo keliya, taasoo ka dhigaysa inay aad ugu habboon yihiin sidoo kale laambadaha gaaska. Dhibaatada ugu weyni waxay ahayd in shumacyada loo baahnaa mashiin weyn oo awood leh si loo shido.