On the one hand Delaunay gained excellent experience teaching at the Sorbonne, but he was still enrolled as a student at the École des Mines and he had to take an extra year to complete his studies there as a consequence.
Sa isang dako Delaunay nagkamit mahusay na karanasan sa pagtuturo sa Sorbonne, ngunit siya ay pa-enroll bilang isang estudyante sa École des Mines at siya had sa kumuha ng ekstrang taon upang makumpleto ang kanyang pag-aaral doon bilang resulta.