both were regarded as the most powerful battleships of their time

it is a rare and exclusive item with unparalleled history and provenance

showing The Scilly Isles

and each arrives gift boxed

Captain Campbell's Vernier Sextant GORILLA both were regarded as theFull size Vernier sextants were, in skilled hands, instruments of great accuracy, practicality and beauty a joy to own and use, but also essential to the safety of the ship. Our replica is dedicated to Royal Navy Captain John Campbell, who developed the instrument in 1757. Crucially his invention appeared at about the same time as the first accurate, portable chronometers and the combination of the two transformed navigation from guesswork to science,