[68.] Example No. 6, Five Positions, Elgin, B. W. R.

[69.] Example No. 7, Five Positions, Waltham, Vang.

[70.] Example No. 8, Five Positions, Vacheron and Constantin.

[71.] Example No. 9, Five Positions, E. Howard

[72.] Example No. 10, Five Positions, Illinois, B. S.

[73.] Causes of Extremely Fast Vertical Rates.

[74.] How to Locate Defective Gearings.

CHAPTER XV

[Timing and Final Regulation]

[75.] Mean Time Screws and Timing Washers.