CHAPTER XVI

Special Notes 99

79. Efficiency of Execution Analyzed (Two Examples) 80. Truing the Balance. 81. Poising the Balance. 82. Truing Hairsprings. 83. Treating a Rusty Hairspring. 84. Stopping by Escapement Locking when Hands are set Backward or When Watch Receives a Jar. 85. Essentials and Non-Essentials in Cleaning Watches.

RULES AND PRACTICE FOR ADJUSTING WATCHES