Keywords: Litbourgeot.jpg Picture of Jacques Bourgeot operating the Allais paraconical pendulum provided by Maurice Allais who took the photograph en wikipedia Muro de Aguas 2005-01-05 ThomasGoodey wikipedia en COPYRIGHTED FREE USE; PD-AUTHOR; Released into the public domain by the author Copyrighted free use PD-author original upload log page en wikipedia Litbourgeot jpg 2005-01-05 21 56 ThomasGoodey 250×261× 37771 bytes <nowiki>Picture of Jacques Bourgeot operating the Allais paraconical pendulum provided by Maurice Allais who took the photograph</nowiki> Physicists Pseudoscience Maurice Allais |