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Inventory no. 33279 - Former Display Label

German DIPTYCH DIAL
c.1600

Ivory, brass, etc. Signed, "I {yogh} K" [=Johann Karner]; undated.

Includes: 1. Wind-rose (vane missing) and compass viewing-hole; 2. Vertical string-gnomon dial for planetary hours, showing the length of day and night and the Sun's declination, and table of latitudes; 3. Horizontal string-gnomon dial adjustable for latitudes 42°, 45°, 48° & 51°, horizontal pin-gnomon dials for Italian and Babylonian hours, and compass; 4. Lunar volvelle and table of Julian and Gregorian epacts.

Formerly in the Strangways Collection.

[G. 271]
Gunther Loan Collection

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