CHAPTER VII.
Quantities of Materials (Cont'd).
II. Volumes from Original Contours.
3. Contents and Areas of Reservoirs.
There is perhaps no one problem in which the wide range of application
and adaptability of the Polar Planimeter to the many forms of Engineering
computation is better illustrated than in the following
and were the capacity of the instrument limited to the one problem about
to be described, it would still remain by far
the most valuable of all the Engineer's assistants.