Merlin-class packet boat

The Merlin-class packet boat was a trio of 2-gun paddle packet boats built for the Royal Navy during the 1830s. Two of the three ships were immediately commissioned for packet service at Liverpool and the third was not commissioned until 1848 for packet service in the Mediterranean. HMS Merlin (1838) and HMS Medina (1840) were later converted into service as survey ships and HMS Medusa (1838) was converted into a tugboat. Merlin and Medina also saw service off the West African coast during the 1850s.

Description
The ships had a length at the gun deck of 175 ft and 153 ft at the keel. They had a beam of 33 ft, and a depth of hold of 16 ft. The ships' tonnage was 889 $14⁄94$ tons burthen. The Merlin class was armed with a pair of 6-pounder carronades.