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Inventory no. 67063 - Former Display Label

French DIPTYCH DIAL
c.1620

Painted ivory, gilt brass and silver. Underneath the lower leaf are punched the letters, "R F", and the mark, {??}.

Includes: 1. Combined nocturnal, and universal equinoctial dial (with semi-circular gnomon); 2. Lunar volvelle; 3. Horizontal string-gnomon dial, and compass.

[F. 144]
Lewis Evans Collection.

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