Members of the Institute of Physics in the Erdbergstraße, presumably between 1873 and 1876
In der Bildmitte Ludwig Boltzmann (1844-1906) und Professor Josef Stefan (1835-1893).
Members of the Institute of Physics in the Erdbergstraße, presumably between 1873 and 1876
In der Bildmitte Ludwig Boltzmann (1844-1906) und Professor Josef Stefan (1835-1893).