The following links give you the opportunity to find out more about Bessler's wheel or “Perpetuum Mobile” from other websites.

For formal legal reasons, as a precautionary measure, I distance myself from the content and appearance of external websites. See the entry “Imprint”.

http://www.borderlands.de/Links/BesslerJuni2014.pdf
Mathematician M.Sc. Elisabeth Lehmann, Switzerland, believes in Bessler (PDF)

http://orka.bibliothek.uni-kassel.de/viewer/image/1345798641226/1/
The University of Kassel Library has the most extensive collection of documents relating to Bessler.

http://www.theorffyreuscode.com/
Website of John Collins, a passionate admirer of Bessler. Collins has spent years painstakingly collecting countless data about Orffyreus and has written a biography entitled, “Perpetual Motion - An Ancient Mystery Solved?” It can be obtained via the following link: http://www.free-energy.co.uk/

http://de.wikisource.org/wiki/Neue_Nachricht_von_der_curieusen_Lauff-Probe_des_Orffyreischen_Perpet ui_mobilis
Bessler speaks himself.

http://www.besslerwheel.com
English-language website with currently the most comprehensive range of information on the subject of gravitational drives and alternative energies

https://orffyre.tripod.com/overview.html
The enthusiasm for Bessler and his invention literally radiates from every line. 

http://www.hp-gramatke.de/perpetuum/index.htm
Hans-Peter Gramatke has put together everything on the topic of eternal movement with great attention to detail. Bessler is one of many.

http://www.ursach.ch/Bessler/bessler.php
A German-language site from Switzerland. Bessler's Apologia is interpreted there in an idiosyncratic but nevertheless interesting way.

http://en.wikipedia.org/wiki/Johann_Bessler

http://www.heizungsvergleich.de/bessler/