The patent Pantochronometer is a pocket Sundial/Compass, housed in a sycamore case, that can be used to tell the time all over the world, C 1885.On the base are the original instructions. The compass works well on a level surface. The face/dial is still clear and the thin glass dome is in tact.

It measures  5,5 cm w x 2.5cm h.

Antique Pantochronometer