Keywords: Gerard Thibault Mysterious Circle.jpg Gerard Thibault's mysterious circle from his 1630 rapier manual Academie de l'Espee The treatise is several hundred years old and is therefore public domain en wikipedia Sreejithk2000 CommonsHelper 2009-08-10 Schiavona wikipedia en PD-old Original upload log page en wikipedia Gerard_Thibault_Mysterious_Circle jpg 2009-08-10 02 14 Schiavona 640×470× 102097 bytes <nowiki>Gerard Thibault's mysterious circle from his 1630 rapier manual Academie de l'Espee The treatise is several hundred years old and is therefore public domain </nowiki> Books from the Netherlands Fencing manuals 1630 books |