The Strength of the Tide in the Tagus Estuary

In the context of the history of science and technology, the article explores the use of tide force in the Tagus estuary, more precisely in the municipality of Seixal, from the tide mills in the early modern period to the project of the hydraulic motor in the nineteenth century. The historical knowledge of practices and devices for the intelligent use of water in Seixal is an invitation to current reflection on the use of clean and renewable energies.