Scale model on display at the Musée National de la Marine in Paris
|Namesake||Battle of the Tagus|
|Laid down||26 August 1824|
|Launched||15 August 1847|
|Stricken||6 May 1884|
|Class and type||Hercule-class ship of the line|
|Length||65.02 m (213 ft 4 in)|
|Beam||16.82 m (55 ft 2 in)|
|Draught||7.55 m (24 ft 9 in)|
|Speed||10.7 knots (19.8 km/h; 12.3 mph)|
|Capacity||170 tonnes of coal|
She was laid down as Polyphème in 1824, renamed Saint Louis, and eventually Tage. She was launched only in 1847.. On 12 February 1855, she ran aground in the Kamiesch, in the Crimea. She was refloated. From 1857 to 1858, she was converted to steam ship.
She served as a hulk before being scrapped in 1896.
- "Express from Paris". The Morning Chronicle. No. 27510. London. 26 February 1855.