An Elementary Treatise On Orthographic Projection: Being A New Method Of Teaching The Science Of Mechanical And Engineering Drawing (1857) is a book written by William Binns. The book provides a comprehensive guide to the science of mechanical and engineering drawing, with a focus on orthographic projection. The author presents a new method of teaching this subject, which is designed to be accessible to students of all levels. The book covers a wide range of topics, including the principles of projection, the use of scale, the construction of plans and elevations, and the drawing of sections and intersections. It also includes numerous illustrations and examples to help readers understand the concepts presented. This book is a valuable resource for students, teachers, and professionals in the fields of mechanical and engineering drawing.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.