The Parabola, Ellipse, and Hyperbola: Treated Geometrically is a book written by Robert William Griffin in 1879. The book is a comprehensive guide to the geometric properties and applications of the three conic sections - the parabola, ellipse, and hyperbola. The author delves into the historical development of conic sections and their use in various fields such as astronomy, engineering, and architecture. The book contains numerous diagrams and illustrations, making it easy for readers to understand the concepts presented. Griffin also provides a detailed explanation of the equation of each conic section, their properties, and their applications. The book is a valuable resource for students, teachers, and professionals in the fields of mathematics, science, and engineering.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.