Apollonius is a steep cone with a bottom
hoop with planes as in the first picture in
the next column intersected and varied
according to the inclination of the plane.
Seeing that you will get shape and there
is no reason to examine these figures
and to be the first
He wrote: Conics. In the writing of
Langlands. The topic of conics has been
historically addressed; the contribution
of Apollo especially in the last part are
mentioned.