S
WEscapement
WAnchor escapementA
WCoaxial escapement
WAnchor escapementB
WVerge escapement
WGalileo's escapementC
WGrasshopper escapement
WLever escapementD
WPin-pallet escapement
WRiefler escapementE
WVerge escapement
WFile:Escapement of RiefNo549-1929.JPGF
WFile:Figure 6.tif
WFile:Rief549-Deutsches Museum-Dial.JPG