qu'il avait fait Jouer, 'that he had set into play

87-8. elle Jouait à vide, ' working to no purpose,' lit. ' in motion, but doing no work,' %,e, having but vacuum (z'iV/ir) to work on.

88. cdle de Harly, ùe, * la Machine de Marly ' ; a huge hydraulic machine worked by the Seine at Marly a few miles below Paris, which supplies Versailles with water. When it was first built, 1685, under Louis xiv. the founder of that town, it had 14 water-wheels and 221 forcing-pumps, many of which were in motion but did no work ; hence this allusion. It is now worked by 6 water-wheels and 12 forcing-pumps, sending 38^ thousand cubic feet of water per hour to Versailles.