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| Date from | Date to | Event | Source |
|---|---|---|---|
| 1819 | Appointed Elève de Polytechnique | ref:673 | |
| 1821 | Appointed Elève du Génie Maritime | ref:673 | |
| 1823 | Appointed Sous-Ingénieur de Troisième Classe de la Marine | ref:673 | |
| 1.5.1835 | Appointed Sous-Ingénieur de Première Classe de la Marine at Rochefort | ref:673 | |
| 1.1.1841 | Le Suffren (90)
1829-1874 , Ingénieur HydrographeFrench 90 Gun 2nd Rate Ship of the Line 1865 Renamed "Ajax" | ref:673 |