| 41. | The operator had to keep the mainspring wound up, using a crank on the side.
|
| 42. | :Most music boxes are powered by a mainspring similar to some mechanical watches and clocks.
|
| 43. | This restricted the mainspring to the center part of its range, further reducing force variation.
|
| 44. | He became master of this lodge in 1779, and for twenty years remained its mainspring.
|
| 45. | Tsai, the Mainspring consultant, agreed that a loose cannon is not helpful in the boardroom.
|
| 46. | The Slash Factor, once an entertaining sideshow, is now the mainspring of the Pittsburgh offense.
|
| 47. | The fusee is a specially cut conical pulley attached by a fine chain to the mainspring barrel.
|
| 48. | The mainspring was wound by the barrel, and turned the arbor to drive the wheel train.
|
| 49. | During normal winding the bridle holds by friction to the barrel, allowing the mainspring to wind.
|
| 50. | In watch company terminology, this is often misleadingly referred to as an'unbreakable mainspring '.
|
