His coadjutor Matthäus Lang von Wellenburg, who was later to succeed Leonhard, in 1515 wrote a description of the Reisszug, a very early and primitive funicular railway that provided freight access to the upper courtyard of the fortress.
The description of the Reisszug, an early and rudimentary funicular railway, was written by Matthäus Lang von Wellenburg in 1515, who later succeeded Leonhard as coadjutor. This describes a system for transporting goods to the upper courtyard of the fortress.