Geometrical Conic Sections: An Elementary Treatise in Which the Conic Sections Are Defined as the Plane Sections of a Cone, and Treated by the Met (Hardcover)
Geometrical Conic Sections (Paperback) - An Elementary Treatise in Which the Conic Sections Are Defined as the Plane Sections of a Cone, and Treated by the Method of Projections (Classic Repr
Geometrical Conic Sections; An Elementary Treatise in Which the Conic Sections Are Defined as the Plane Sections of a Cone, and Treated by the Method (Paperback)
