Scale: 1:48. Plan showing the inboard profile for Alert (1793), Albacore (1793), Pylades (1794), Ranger (1794), Peterel [alternative spelling: Peterell] (1794), and Rattler (1795), all 16-gun ship sloops with quarterdecks and forecastles, building in merchant (private) yards. The plan includes alterations to two of the companion ways between the mizzen and main masts, as ordered by John Henslow.