Come and ask, answer or inform.
| Date from | Date to | Event | Source |
|---|---|---|---|
| 4.1765 | 11.1767 | Appointed Elève Ingenieur Constructeur de la Marine | ref:746 |
| 11.1767 | Appointed Sous-Ingénieur de la Marine at Brest | FWIKI | |
| 4.1774 | 1796 | Appointed Ingénieur Constructeur de la Marine | FWIKI |
| 3.1777 | 1786 | He was posted to Hamburg to direct the exploitation and collection of timber purchased from Prussia for the Navy . | FWIKI |
| 1786 | 1792 | He was assigned to Brest . | ref:673 |
| 4.1792 | He was assigned at the same post again to Hamburg . | FWIKI | |
| 1796 | Appointed Ingénieur Ordinaire de la Marine | ref:673 | |
| 10.1809 | Retired | FWIKI |