Article MacDougall (April 2019)
Sympathetic Physics: The Keely Motor and the Laws of Thermodynamics in Nineteenth-Century Culture. Technology and Culture (pp. 438-466). (/isis/citation/CBB825984599/) unapi

Book Jan Von Plato (2017)
The Great Formal Machinery Works: Theories of Deduction and Computation at the Origins of the Digital Age. (/isis/citation/CBB573478690/) unapi

Article Pisano, Raffaele (2015)
Historical and Epistemological Reflections on the Culture of Machines around the Renaissance: Machines, Machineries and Perpetual Motion. Acta Baltica historiae et philosophiae scientiarum (pp. 69-87). (/isis/citation/CBB001551787/) unapi

Article Benjamin B. Olshin (2009)
Sophistical Devices: Leonardo da Vinci's Investigations of Perpetual Motion. Icon: Journal of the International Committee for the History of Technology (pp. 1-39). (/isis/citation/CBB124930599/) unapi

Chapter Lohrmann, Dietrich (2008)
Motus continuus und motus perpetuus in der mittelalterlichen Technik und Physik. In: Das Sein der Dauer (p. 224). (/isis/citation/CBB000952996/) unapi

Book Schadewald, Robert J.; Schadewald, Lois A. (2008)
Worlds of their Own: A Brief History of Misguided Ideas: Creationism, Flat-Earthism, Energy Scams, and the Velikovsky Affair. (/isis/citation/CBB000950257/) unapi

Article Lohrmann, Dietrich (2006)
Idee und Wirklichkeit des Perpetuum mobile im Mittelalter. Technikgeschichte: Beiträge zur Geschichte der Technik und Industrie (p. 227). (/isis/citation/CBB000831129/) unapi

Article Kleinert, Andreas (2003)
Wie funktionierte das Perpetuum mobile des Petrus Peregrinus?. NTM: Zeitschrift für Geschichte der Naturwissenschaften, Technik und Medizin (p. 155). (/isis/citation/CBB000530287/) unapi

Book Jeanneret, Michel (2001)
Perpetual Motion: Transforming Shapes in the Renaissance from da Vinci to Montaigne. (/isis/citation/CBB000502506/) unapi