Product images of Diptych dial, leaves Ib and IIa
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Manufactured in the UK
All products are printed in the UK, using the latest digital presses and a giclée printmaking process.
We only use premium branded inks, and colours are independently verified to last between 100 and 200 years.
Diptych dial, leaves Ib and IIa
Diptych dial for latitudes 0â”œÃ—_-80â”œÃ—_ north for the equinoctial dial (53â”œÃ—_ north for the horizontal dial). This dial consists of two leaves that fold flat when not in use. Leaf Ia is that of a standard equinoctial dial (see related terms) and carries a table of latitudes for places in Europe. At the top of Leaf Ib is a dial showing Italian and Babylonian hours, below which is a vertical dial and the rest of the equinoctial dial. On the right hand side is a degree scale for use with the equinoctial dial. Leaf IIa is as standard except for an hour scale laid out for latitude 53â”œÃ—_ north. The compass is marked with eight winds named in Italian and is offset 10â”œÃ—_ east of north to allow for magnetic variation.
- Image reference: F1363
- National Maritime Museum, Greenwich, London