Product images of Diptych dial, leaves Ib and IIa
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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 latitude 48 North. Rectangular ivory dial consisting of two leaves that fold flat when not in use. Leaf Ia is a standard windrose (see related terms) except the directions are named in full in German and it is offset approximately 7 East of North. On leaf Ib is a plumb bob to ensure that the dial is level. On leaf IIa the compass is offset 7 East of North to allow for magnetic variation. The left hand side of the compass carries Lienhart Miller's makers mark - a fleur-de-lys. There is a single dial for Italian and Babylonian hours with a brass gnomon. There is a string gnomon for use with the two main dials attached between the inner surfaces of the two leaves. Leaf IIb features a standard lunar volvelle. The two leaves have brass horse-head fasteners, a single brass horse-head hook for holding the dial open, a brass clasp covering the slot for the wind vane in the side of the lower leaf and four brass bun feet.
- Image reference: F1302-1
- National Maritime Museum, Greenwich, London, Georges Bernard Collection