Complex sentence: Eugène Brillié studied at the Ecole centrale des arts et manufactures, and then went on to work, from 1887 to 1898, at the "Cie des Chemins de fer de l’Ouest".
Split into simpler sentences: Eugène Brillié studied at the Ecole centrale des arts et manufactures. After that, he worked, from 1887 to 1898, at the "Cie des Chemins de fer de l’Ouest".