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Diptych sundial for latitude 47 degrees
- maker:
- Hanns Troschel
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Ivory diptych sundial for latitude 47 degrees by Hanns Troschel, with vertical and horizontal dial, pin gnomon for Italian & Babylonian hours, lunar volvelle and wind pose. Wind vane, compass needle and cover glass missing. Nurnberg, German, 1623-1628