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has been cited by the following article:

• TITLE: Ball Bearings from Roman Imperial Ships of Nemilake

  AUTHORS: Marco Ceccarelli, Sofia Ceccarelli, Cinzia Elena Conti, Gian Martines

  KEYWORDS: History of Roman Machines, History of Ball Bearings, Reconstruction of Ancient Machines, Performance Evaluation of Ancient Machines

  JOURNAL NAME: Advances in Historical Studies, Vol.8 No.3, June 11, 2019

  ABSTRACT: The remains of ball bearing from the Roman imperial ships of Nemi lake are investigated to understand their mechanical design and to speculate on the machines they were used in. The imperial ships are dated at first century A.D. and they were digged out from the lake with several significant remains in titanic operations in 1930s. Today the bronze remains of the ball bearings can give new insights of the ancient Roman technology with renewed considerations and analysis both from historical and technical viewpoints as per their construction and use.