Resultado da Busca
Há 14 horas · There was disagreement over whether the bridge's cables should use the as-yet-untested Bessemer steel or the well-proven crucible steel. [22] [125] Until a permanent contract was awarded, the builders ordered 30 short tons (27 long tons) of wire in the interim, 10 tons each from three companies, including Washington Roebling's own steel mill in Brooklyn. [126]
