Scale 1:48. Plan showing the body plan, sheer lines with some midship framing and longitudinal half breadth for Ranger (1820), Tweed (1823), Rainbow (1823), Rattlesnake (1822), Crocodile (1825),Success (1825), Talbot (1824) and with alterations for Alligator (1821), Samarang (1822), Herald (1822) - ex Termagant, and later for North Star (1820), Daphne (cancelled 1832), Porcupine (cancelled 1832), Nimrod (1828) – ex Andromache, Alarm (cancelled 1826), all 28-gun Sixth Rate Sloops. Signed Joseph Tucker and Robert Seppings (Surveyors of the Navy)
Annotation at the top right: "Mem: The Head was altered agreeably to a sketch dated Nov 6th 1821."
Annotation on the right: " 14th May 1823. The following ships were ordered to be built agreeably to the alterations in ticked lines in the fore body viz Alarm, Crocodile, Daphne, Porcupine and Sucess."
"2nd June 1830. The main rails of the head of the Talbot was directed to be moved 8ins and the Birthing rails about fuurther from the side at the front of the supporters."
Annoted in pencil at bottom right: "Memo ? ? lines for the Model."