Before revision: In the late 18th century, it is recorded that the duties of a master coalman at an ironworks were not only to ensure the supply of charcoal and to supervise charcoal burners and their assistants, but also to visit frequently the charcoal clearings , i.e.
After revision: In the late 18th century(Kohlhäue) it is recorded that the duties of a master coalman at an ironworks were not only to ensure the supply of charcoal and to supervise charcoal burners and their assistants, but also to visit frequently the charcoal clearings , i.e.