escapement
mechanism in clocks
lever escapement
type of escapement
verge escapement
component of a weight-driven clock
co-axial escapement
Mechanism for regulating the speed of clocks
anchor escapement
type of mechanism used in pendulum clocks
Galileo's escapement
Experiments of Galileo Galileo
Pin-pallet escapement
inexpensive, less accurate version of the lever escapement
grasshopper escapement
low friction clock escapement