Seite - 74 - in Nikola Tesla and the Graz Tech

74 Fig.: The parent house of the Joanneum (Lesliehof), northern courtyard with the monument of the founder of the Mohs scale of hardness, Friederich Mohs. (Photo: UMJ, N. Lackner). But not only did the professorial chairs start to become independent, at the same time the long-standing efforts to reorganise the Joanneum as a muse- um gained success. In the late eighties of the 19th century an end point of the development was reached, and the new finally found its expression in the programme of the organic statute of 21 January 1887. Accordingly, the following two sections in the history of the Joanneum can be distinguished: the early Joanneum from 1811 to 1887 and the Joanneum of the later period from the organic statute of 1887 until today.