Manuscript map. "By General Parslow's permission, wherein the greatest exactness has been observed to reduce the irregularity of the surface to a true horizontal plain". "A scale of feet of which 5280 makes a statute mile". Extensive handwritten "References" list represented by letters or letter combinations on the map; some content pertains to battle defense mechanisms.
Printed map. "Geometrically survey’d by the royal engineers, while it remained in the possession of the French during the last war, and digested by L.S. de la Rochette. MDCCLXXX. London, engraved and published by William Faden, Charing Cross as the Act directs Jany. 1st. 1780". 3 visual scales [12 cm = English Statute Miles]. Map shows “Meridian of St. Philp’s Castle 15M. 35s of time E of London, as it has been Observed by the French.” and “Parallel of St. Philip’s Castle 39D. 50M. 46s as it has been Observed by the French.” The castle is located where these 2 lines intersect
Map includes: Explanation of some Minorcan names; references.
Printed map. "Drawn from the best authorities by Eman: Bowen Geogr. to His Majy." "Engrav'd for the General Magazine of Arts & Sciences; for W. Owen at Temple Bar 1761." Prime meridian: London. Originally published in Benjamin Martin's The General Magazine of Arts and Sciences, 14 volumes (London: Printed for W. Owen, 1755-1765). Acquired as part of the Hodsoll Collection.