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Inventory no. 34733 - Former Display Label

18th century

Gilt and silvered brass, with glass cover, etc. Signed, 'Baradelle Rue des postes AParis'; not dated.

When the small pointer is set to the latitude on the circular scale and the small button is pressed, the hour-ring springs up to the correct elevation for the latitude, and the gnomon automatically adjusts itself at right angles to the plane of the hour-ring.

[F 77]
Lewis Evans Collection

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