What does Triftrechens mean in English?
https://www.deutsches-museum.de/en/collections/machines/power-engines/water-power/water-column-machines/.
The “Driftrake” relates to the Sawmill, it traps the logs as they are floated downriver, several google images and an artikel on the Donnersbacher Triftrechens if you want to know more.
Besser Spät als nie…vielen Dank!