Category: Antique

Originally developed in the 17th century by English mathematician William Oughtred, the ring dial was a development of an earlier instrument, the astronomer’s ring, which was used for measuring the altitude of stars and also terrestrial objects. The ring dial is essentially a sundial that does not require alignment and the exact direction of north.…

Sundial, a horological device that tells the time of day when direct sunlight shines by the position of the Sun in the sky. Manufactured by the Franklin Mint, 1987. L 5 in. W 41/8 in. Contact LeeScully to learn more or enquire about the price & shipping