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Subjects
- Accounting--Study and teaching.1
- Arithmetic--Problems, exercises, etc.1
- Arithmetic--Study and teaching.1
- Compasses (Mathematical instruments)1
- Education--United States--History--19th century.1
- Fractions--Study and teaching.1
- Geodesy--Study and teaching.1
- Mathematics--Study and teaching.1
- Navigation--Study and teaching.1
- Penmanship, American.1
- Sailing--Study and teaching.1
- Surveying--Study and teaching.1
- Trigonometry--Study and teaching.1
- Weights and measures--Study and teaching.[remove]1
- Windmills.1