Scale: 1:48. Plan showing the body plan, sheer lines with midship framing, and longitudinal, half-breadth proposed (and approved) for Snake (1832) and Serpent (1832), both 16-gun Brigs building at Limehouse by Fletcher and Fearnall. The later alterations in 1832 relate to Racer (1833), Wanderer (1835), Harlequin (1836), Ringdove (1833), Wolverine (1836), Sappho (1837) and Lily (1837) building at Royal Yards.

Signed by William Symonds [Surveyor of the Navy, 1832-1848] - referring to the 1832 alterations.