Keywords: Academia das Ciências de Lisboa.svg en Seal of the Lisbon Academy of Sciences 1779 pt Selo da Academia das Ciências de Lisboa 1779 1779 http //www acad-ciencias pt/ Academia das Ciências de Lisboa author other versions Custom license marker 2016 08 15 PD-old-100 PD-textlogo insignia 1779 in Portugal Lisbon Academy of Sciences Seals of Portugal |