Butterfield" type SOLAR POCKET DIAL in silver with octagonal plate engraved with time scales (Roman and Arabic intercalated) for latitudes 40°, 45°, 50° and 55°, with folding gnomon and bird style, built-in compass with fleur-de-lys decoration. Engraved on the back of the latitudes of major European cities.
Signed Pierre LE MAIRE, active in the middle of the 18th century.
With its box.
73 mm x 65 mm
Gross weight: 42.7g.
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