CHAPTER III.

Early Perseverance, 76—School Theatre, 77—Map-making, 79—His Father’s Lecture on Electricity, 80—Family Help, 82—Alarum Water-clock, 83—Screw Steamboats, 84—Land Surveying. Map of Scene of Thornton’s Murder, 85—Ambition. A model College, 87—No Jealousy of the Sons in the Father, 88—Punctuality, 89—Enforcement of Penalties, 90—Family Debts paid off. “Exhibition.” Shakespeare corrected, 91—Eighteen Hours’ Work a-Day. Zerah Colbourn, 92—Mental Arithmetic, 93—Trigonometrical Survey, 94—A Rival School, 97—Survey of a Coal-pit, 98—Roman Road, 99.