At the time, the lighthouse was a paragon of modernism worthy of an international reputation. The lighthouse was constructed by layering liquid 20 – 25 cm in thickness. To ensure the structural cohesion of the whole, iron wall ties were inserted. The use of concrete was doubly innovative: employed as a distinct material, not merely a substance for filling, and strengthened with metal rods. Quite simply, reinforced concrete had been invented.Port-Saïd : Architectures XIXe-XXe siècles Broché – 21 avril 2011 The use of electric light (powering an arc lamp) made it possible to display a consistent flashing light and it was a state of the art lighthouse at the time.
