Inventory no. 54731 - Former Display Label
German ASTRONOMICAL COMPENDIUM
Gilt brass. Signed, ". IOANNES . MELCHIOR . VOLCKMAIR . SAC: CESS: MAiEST: MATHE: . ET . CAMERAE . AVRIFABER . FECIT . . ANNO . M . DC. XXXX VII.".
1. A wind-and compass-rose, and a table classifying the twelve winds according to the continent where they rise.
2. A vertical pin-gnomon dial to show in which sign of the Zodiac the Sun is, and the length of day and night; and a table of the latitudes of 36 places.
3. A horizontal string-gnomon dial, adjustable for use in latitudes 45°, 48°, 51° and 54°; a horizontal pin-gnomon dial for Italian (or Bohemian) hours, for use in latitude 54°; a compass (needle and plate missing).
4. A lunar volvelle, and two circular tables giving the number of hours of moonlight.
In the cover is a circular hole so that the compass may be used to find North, when the compendium is closed.
Lewis Evans Collection.