Pillar Dial by Henri Robert, c.1840

Wooden pillar dial by Henri Robert. French-made. Circa 1840.

First invented by the Ancient Romans, circa year 0. Also called Shepards Dial's, as they were originally primarily used by Shepard's in the Pyrenees.

Featured in the Adler Planetarium.

Height: 13cm

Diameter:3cm

Weight: 2 oz.