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| Date from | Date to | Event | Source |
|---|---|---|---|
| c.1750 | 31.8.1757 | Appointed Master Shipwright at Arsenal de Ferrol | ADM 107/4 |
| c.1750 | 1761 | In the service of Spain - Known as Ricardo Rooth | ref:1267 |
| 8.9.1751 | Launched San Fernando (60)
1751-1758 , Ship of the Line at Real Astillero de Esteiro - Ferrol
Spanish 60 Gun 3rd Rate Ship of the Line | ref:1929 | |
| 1752 | Designed Eolo Class (1752) - 68 gun Ship of the Line | ||
| 1752 | Designed Modified Eolo Class (1752) - 68 gun Ship of the Line | ||
| 17.3.1752 | Launched Asia (64)
1752-1762 , Ship of the Line at Real Astillero de Esteiro - Ferrol
Spanish 64 Gun 3rd Rate Ship of the Line | 3DECKS | |
| 1754/03/27 | Designed Triunfante Class (1754) - 68 gun Ship of the Line | ||
| 18.10.1754 | Launched Gallardo (68)
1754-1797 , Ship of the Line at Real Astillero de Esteiro - Ferrol
Spanish 68 Gun 3rd Rate Ship of the Line | ref:748 | |
| 1757 | Designed Príncipe Class (1757) - 68 gun Ship of the Line | ||
| 31.8.1757 | 1761 | Appointed Master Shipwright at Guarnizo | SWoA |