English The BL King’s Topographical Collection- "A plan of the town and fortifications of Portsmouth, with the Blockhouse Fort and the Gunwharfe " (detail)
King’s Topographical Collection: "A plan of the town and fortifications of Portsmouth, with the Blockhouse Fort and the Gunwharfe " (DETAIL) determination
King’s Topographical Collection: "A plan of the town and fortifications of Portsmouth, with the Blockhouse Fort and the Gunwharfe " determination method:
King’s Topographical Collection: "A plan of the town and fortifications of Portsmouth, with the Blockhouse Fort and the Gunwharfe " (DETAIL: Four House