The Adrianopouloi Brothers Ltd. Kronos historical archive was donated to PIOP in 2017 by Natassa Adrianopoulou. The company manufactured hospital furniture and equipment. More specifically, it produced surgical tables, dental chairs, iron hospital stretchers and various sorts of medical equipment supplying hospitals. The fonds comprise of 5,2 linear meters and include archival, photographic and promotional materials (digital copies) and a few objects.