Null Equatorial sundial and star clock - 18th/19th century, Brass, fire-gilt, en…
Description

Equatorial sundial and star clock - 18th/19th century, Brass, fire-gilt, engraved, combination of folding pocket sundial and star dial, engraved, round box with profiled wall, on the hinged lid a nocturlabium with very fine scales (cardinal points, signs of the zodiac, months, days, degrees), A standard pointer for setting the date (1x engraved "Sol") and a polar pointer with engraving ("Dorsum Ursa Majoris et Luna"), inside above the compass an equatorial sundial with pole on the height-adjustable equatorial ring, the pole height quadrant of which is locked in place with a screw, when fully opened the equatorial ring becomes a horizontal sundial, polar altitudes engraved in the lid, e.g. of Grenada, Paris, Paris, Paris, Grenada, Paris, Paris, Paris and Grenada.The lid is engraved with the polar altitudes of Grenada, Paris, Rome, Naples, Cologne, Prague, Vienna, Gdansk, Amsterdam, etc, compass integrated into the base, glazing missing, signs of age, d approx. 9.5 cm, h approx. 2.5 cm

1278 

Equatorial sundial and star clock - 18th/19th century, Brass, fire-gilt, engraved, combination of folding pocket sundial and star dial, engraved, round box with profiled wall, on the hinged lid a nocturlabium with very fine scales (cardinal points, signs of the zodiac, months, days, degrees), A standard pointer for setting the date (1x engraved "Sol") and a polar pointer with engraving ("Dorsum Ursa Majoris et Luna"), inside above the compass an equatorial sundial with pole on the height-adjustable equatorial ring, the pole height quadrant of which is locked in place with a screw, when fully opened the equatorial ring becomes a horizontal sundial, polar altitudes engraved in the lid, e.g. of Grenada, Paris, Paris, Paris, Grenada, Paris, Paris, Paris and Grenada.The lid is engraved with the polar altitudes of Grenada, Paris, Rome, Naples, Cologne, Prague, Vienna, Gdansk, Amsterdam, etc, compass integrated into the base, glazing missing, signs of age, d approx. 9.5 cm, h approx. 2.5 cm

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