41. The Swiss Lever escapement has been the standard in horology for hundreds of years. 42. In this design the work is divided between two major wheels of the escapement . 43. Breguet apparently did not find the �chappement naturel fully satisfactory as a commercial escapement . 44. Some of the watches were returned for service to the escapement on numerous occasions. 45. Even with single channel radios, a sequence of escapements could sometimes be cascaded. 46. This was the first escapement to separate the locking and impulse actions of the escapement. 47. This was the first escapement to separate the locking and impulse actions of the escapement . 48. In this escapement , the pendulum is driven by two hinged arms ( pallets ). 49. The grasshopper escapement has been used in very few clocks since Harrison's time. 50. Also, they had a pinwheel escapement .
