Source: Games to train and relax body and mind by Johann Christoph Friedrich GutsMuths, 1796
Translation by: Beate Brockmann
For further understanding and terminology check this out.
2. The German Ball Game
This game which has not yet been described anywhere merits very well a detailed description. It is not my goal to be entertaining in this endeavor – try just to understand these dry explanations, entertainment will be found in practicing.