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Subjects
- Education--United States--History--19th century.[remove]6
- Surveying--Study and teaching.[remove]6
- Mathematics--Study and teaching.5
- Arithmetic--Problems, exercises, etc.3
- Arithmetic--Study and teaching.3
- Geometry--Study and teaching.3
- Penmanship, American.3
- Surveying--Problems, exercises, etc.3
- Trigonometry--Study and teaching.3
- Geometry.2
- Mathematics--Problems, exercises, etc.2
- Navigation--Study and teaching.2
- Surveying.2
- Trigonometry--Problems, exercises, etc.2
- Windmills.2
- Accounting--Study and teaching.1
- Algebra--Early works to 1800.1
- Algebra--Study and teaching.1
- Angles (Geometry)1
- Buildings.1