CHAPTER VI.
Quantities of Materials.
I. Volumes from Cross Sections.
2. Volumes of Single Prismoids.
While the following descriptions and demonstrations
are entirely general and apply to every form of prismoidal calculation,
practical examples have been used to illustrate the use of the Planimeter
in its various applications, and the examples selected for illustration
made as typical as possible, so that no difficulty will be experienced
in applying the methods to particular cases.