"Escapement #Duplex escapement" . . "spring detent escapement" . "Hipp's electrical pendulum clock" . "Escapement#Detent escapement" . . "Escapement #Gravity escapement" . . "pinwheel escapement" . "spring detent" . . . "Escapement #Mechanical escapements" . "Escapement #Detent escapement" . "Escapement #Electromechanical escapements" . "Escapement #Constant escapement" . . . . "Escapement#Pin wheel escapement" . . "gravity escapements" . "Escapement" . "three-legged gravity escapement" . "Detent escapement" . . "escapement" . "Gravity escapements" . . . "gravity escapement" . . "acted as a large gear" . . "detent escapement" . "Escapement" . "deadbeat escapement" . . "Escapement#Electromechanical escapements" . "double comma escapement" . "Escapement #Liquid-driven escapements" . "duplex escapements" . . "Escapement #Hipp clock" . . "escapement mechanism" . "Constant Escapement" . . . "escapements" . "Escapement #Cylinder escapement" . "gravity lever" . "Pinwheel escapement" . "cylinder escapement" . "Liquid-driven escapement" . "escapement control" . . "escapement with constant force" . "cross-beat escapement" . "Escapement #Cross-beat escapement" . "duplex escapement" .