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Diptych Dial
Signed by Georg Hartmann
Dated 1562; Nuremberg
Ivory and brass; 88 x 91 x 17 mm

Unlike most ivory diptych dials, this example does not include a horizontal string gnomon dial and has a polar dial on the outer side of the upper leaf. The polar dial is held by a cherub standing on a grid. Its pin is kept in a special compartment on the bottom edge of the lower leaf.

The inner sides are extensively decorated with coloured geometrical motifs.



Museum of the History of Science, Oxford
Inventory number 81528

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Basic URL: http://www.mhs.ox.ac.uk/epact/catalogue.php?ENumber=25615

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