Diptych solar quadrant

Solar quadrant, unknown, 18th century

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Núm. d’inventari: 3220

Nom d’objecte: solar quadrant

Data de l’objecte: 18th century

Autor: unknown

Tècnica i material: wood, metal, engraved paper, glass.

Navigational instruments

This is a sundial made of two plates connected by hinges. The instrument shows the hour lines for a horizontal dial and for a vertical dial. The silk thread that crosses the dihedral serves as the style, while a small compass helps to orient the horizontal face of the quadrant. The top cover shows a list of the principal cities of the world with their latitudes.