Sextant

Sextant is a collectible relic found in Shadow of the Tomb Raider. It is part of the Expedition Unknown collection, located in the Peruvian Jungle.

Information
In the early nineteenth century, this was used to measure the angle between an astronomical object and the horizon for the purposes of celestial navigation.

Inspection
There's an inscription here... "To my son, Jack. May you never lose sight of your horizons.