1. Decimals of an Inch.
2. Decimals of a Foot.
3. Construction Scales—
Scales for Obtaining Areas in Sq. Ft. or Vols. in Cu. Ft.
Scales for Obtaining Vols. in Cu. Yds.
4. Map and Survey Scales.
5. Surveyors' Scales.
6. Metric Scales.
7. Vols. of Single Prismoids.
8. Vols. of Continuous Prismoids.
9. Vols. of Grading and Dredging.
10. Numbers of Brick in Sewers, Walls, &c.
11. Weights of Wrought Iron and Other Metal Sections.
12. Contents of Reservoirs.

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