Jürgen Ehrt, Restorer and publicly certified expert for antique watches and clocks
German Society for Timekeeping
Association of Restorers
IHK, publicly certified and audited expert until 2021
Research Project Peter Henlein –participation as technical advisor
Support of my research project on Orpheus clocks.
Collaboration in the examination and Documentation of figure automaton clocks in the museums of Wetzlar, Dresden and Vienna
KHM WienLemmers-Danforth-Collection WetzlarGreen Vault Dresden