Türbeschlag am Marburger Dom 

"Türbeschlag am Marburger Dom" is a pencil drawing by Karl Ballenberger, a German architect and draftsman known for his architectural designs. The drawing depicts a detailed design for a door handle at the Marburg Cathedral in Germany. The delicate lines and intricate details of the design exemplify Ballenberger's focus on meticulous craftsmanship and an understanding of traditional architectural elements. This sketch provides insight into the process of architectural design in the 19th century, showing how Ballenberger meticulously planned even the smallest details of his projects.