It is believed that a brass equinoctial sundial compass very much like this one accompanied Dr. David Livingstone on his expeditions through Africa in the late 19th century. This working replica can be used to determine time, provided the user knows the latitude of his position. Adjustable feet, spirit level, built-in compass. Sundial compass features black enameled brass with silvered chapter ring. Leather case. Dial dia. 58mm; chapter ring dia. 90mm. Personalize case with embossing, up to three letters.