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aka Sous-Ingénieur Constructeur de la Marine ?
| Date from | Date to | Holder | Source |
|---|---|---|---|
| 1742 | 1748 | Mathurin-Louis GeffroyFrench Designer Ship Builder Service 1742-1764 not appointed | ref:1275 |
| 1747/06 | Antoine GroignardFrench Naval Sailor Designer Ship Builder Administrator Service 1744-1798 He follows the construction work of 64 "Protée" and "Hercule" ships . | ref:673 | |
| 1748 | 1756 | Mathurin-Louis GeffroyFrench Designer Ship Builder Service 1742-1764 He built several port vessels as well the ship of 64-gun "Bienfaisant" : listed as Geoffroy Jean ? | ref:1275 |
| 1793 | Pierre Jacques Guillaume LairFrench Ship Builder Service 1788-1825 aka Sous-Ingénieur Constructeur de la Marine | ref:673 |