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| Date from | Date to | Event | Source |
|---|---|---|---|
| 1844 | Appointed Elève de Polytechnique | ref:673 | |
| 1.10.1846 | Appointed Elève du Génie Maritime | ref:673 | |
| 10.6.1848 | Appointed Sous-Ingénieur de Troisième Classe de la Marine at Cherbourg | ref:673 | |
| 23.2.1853 | Appointed Sous-Ingénieur de Seconde Classe de la Marine at Cherbourg | ref:673 |