In 2004/2005 the following historical astronomical instruments disappeared (lost or stolen) from the rooms of the research group:

• Astronomical pendulum clock of Franz Schmid (approx. 1876) » View photo 1 / » View photo 2
• Prism sextant of Pistor and Martins (6 inches radius)
• Sterneck pendulum apparatus, consisting of two golden pendulums with agate slices and numerous additional components
• Refractor of Merz & Mahler (4 1/2 inches aperture) » View photo 1 / » View photo 2
• Precise maritime chronometer of Nardin, No. 2860
• Maritime chronometer Ulysse Nardin

If you have any information about these instruments please contact Prof. Johannes Böhm.