If the cubical content of the earth is taken as 23685(164967 cubic feet : what is its circumference. ... axis forms the circumference of a circle ; the diameter of a section of the ring 2 inches, and the inner diameter, from side to side, 1 8 inches. 2.
|Title||:||The engineers' manual of the Local marine examinations|
|Author||:||Thomas Liddell Ainsley|