The Haniel archive is home to around 70,000 documents covering some two kilometres of shelves – including files, technical drawings, historical securities, photographs and films. The spectrum ranges from a property deed from the 17th century to current data in digital form. The jewel in the crown of the archive is the company charter, which dates from 1756 and bears the signature of Frederick II of Prussia.
Continuous conservation
The Haniel archive is located at the company headquarters in Duisburg-Ruhrort. In addition to historical artefacts bequeathed by family members, the archive continuously gathers files from the offices of employees and current publications. In order to preserve the original documents, some of which are several hundred years old, the archive also has its own restoration workshop where documents are cleaned and conserved.
