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HEMISFERIUM
Astronomical Ring Sundial - Miniature
Last contact on 13/11/2026Product description
This sundial, known as the astronomical ring, is used to determine solar time and to make other astronomical measurements. Several types of astronomical dials existed, and the largest could indicate the hour by the minute. For a long time they were the only way to know if mechanical clocks worked properly without having to rely on an astronomical observatory. This model is universal, which means it can be used at any latitude.
Product specifications
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