The Landskipp of Castle Rushen

On the sketch is written: "The Landskipp of Castle Rushen as it appears on the South east neere Derbie Fort. A) The Sand. B) The Sea. C) The Castletowne. D) Ballasalley. E. Barroole. F. Scarlett. G) The Shelves of Rocks. The figures that you see were made for the Countesse of Derbie her children and attendants."