A preserved fragment of a great Roman waterwheel used to drain huge copper mines along the Rio Tinto in Andalusia (southern Spain). The mines used complex wheel systems with one section using 16 pairs of wheels to lift water up to 30 meters. Object dated to the 1st-2nd century CE.
IMPERIUM ROMANUM is in process of translation over 3300 Polish articles about history of ancient Rome. If you have the opportunity to financially support the further translations – even with smaller amount – I will be very grateful.