Abstract: This paper, about the bridges built in Oporo during the 19th century, aims to pay a modest but justified tribute to three inspired engineers (Stanislas Bigot, Gustave Eiffel, and Théophile Seyrig) and their daring techniques ...

Abstract: The bridges built in Oporto (Porto) during the 19th century were presented in a companion paper. The individuality and elegance of these works, together with the expressiveness of the materials used in their construction ...