Armillary sphere with astronomical clock made by Joost Bürgi and Antonius Eisenhoit, Kassel, 1585. Constructed from bronze, steel and ebony. The sphere was looted from Prague by Swedish forces in 1648 and is currently the property of the Nordiska Museet in Stockholm. Note says: "Johannes Kepler studied the stars with the help of this armillary sphere". Date 4 March 2009 Author Chris Bainbridge
Astronomical compendium consisting of a box with three compartments. In the first, there is an astrolabe and a lunar calendar. Between the first and second compartment is an hour circle. The second compartment houses a sundial and a magnetic compass for orientation. The third compartment contains the Horae planetarum table and an horary quadrant with a shadow square. The markings are in German.
French astronomical compendium ~ Includes the coat of arms and motto of Charles X. It is composed of a nocturnal, a list of latitudes in degrees of twelve cities in Europe, a compass, an azimuth pinnules (for sighting), and a double scale to assist in the measurement of the unequal hours in a day throughout the year - dates to 3rd quarter of the 16th century. (1st of two pins, Louvre)