Physical description

German Brass Octant. Early 19th century octant, serial number: M2218, with attachable brass lens and comes in a wooden box with a brass handle attached to the back of the box. Octant is comprised of a wooden handle, a brass arc and lenses and black metal body. Octant is a triangular shaped, with brass attachments joined to the top including a brass lens, a mirror, and several other mirrors and lenses. Also called reflecting quadrant.