Akademie gemeinnütziger Wissenschaften zu Erfurt

The Akademie gemeinnütziger Wissenschaften zu Erfurt, in English the Academy of Useful Sciences at Erfurt, is a scientific institution in the German city of Erfurt that has existed since 1754. Its foundation charter was handed over on 19 July 1754 by the Elector Archbishop of Mainz, Johann Friedrich von Ostein, for what was then called the Electoral Mainz Society or Academy of Useful Sciences at Erfurt, and its first secretary was the Erfurt university professor Johann Wilhelm Baumer. It is described as the third oldest academy of its kind in Germany, after the Berlin society founded in 1700 and the Göttingen academy founded in 1751. In this atlas it appears as the learned society that took the Württemberg pastor and instrument maker Philipp Matthäus Hahn into its membership in 1779, the learned recognition that came to the builder of early mechanical calculating machines.