[76.] Importance of Properly Fitted Regulator.

[77.] Effect of the Middle Temperature Error.

[78.] Some Practical Reasons for Slow Rates.

PART III.—SPECIAL NOTES

CHAPTER XVI

[Special Notes]

[79.] Efficiency of Execution Analyzed (Two Examples)

[80.] Truing the Balance.

[81.] Poising the Balance.

[82.] Truing Hairsprings.