Scale: 1:48. Plan showing the upper deck illustrating the diagonal deck planking for Madagascar (1822) and Manilla (cancelled 1831), both 46-gun Fifth Rate Frigates building at Bombay. The plan was later used for Africaine (1827), Statira (cancelled 1832), Druid (1825), and Euphrates (cancelled 1831). The plan includes alterations to the after hatch and deck beams.