Page:The Mathematical Principles of Natural Philosophy - 1729 - Volume 1.djvu/210

 142 the ame order of letters, and imilar to the trapezium FGHI, a trapezium fghi is contructed, and a trajectory given in kind is circumcribed about it, the problem will be olved.

So far concerning the finding of the orbits. It remains that we determine the motions of bodies in the orbits o found.