This demonstration doth indeed very accurately and manifestly appeare, Although there may be an innumerable sort of ordinate plaines, yet of the kindes of angles five onely ordinate bodies may be made; From whence the Tetrahedrum, Octahedrum, and Icosahedrum are made upon a triangular base: the Cube upon a quadrangular: And the Dodecahedrum, upon a quinquangular.
Of Geometry the twenty sixth Booke; Of a Spheare.
1 An imbossed solid is that which is comprehended of an imbossed surface.
2. And it is either a spheare or a Mingled forme.
3. A speare is a round imbossement.
It may also be defined to be that which is comprehended of a sphearical surface. A sphearicall body in Greeke is called Sphæra, in Latine Globus, a Globe.
Therefore